Solar pool covers help limit heat loss and evaporation, but the right choice depends on accurate sizing, cover thickness, and how easily you can handle it. My best overall pick is the Sun2Solar Blue 16 Mil, 18 x 36 ft, a substantial option for a common rectangular pool size. The VEVOR 40 x 20 ft, 16 Mil stands out for larger pools, while the Intex 16-Foot Round Cover is a more direct fit for compatible round pools. Across this lineup, the main tradeoff is between thicker material and the added weight and effort of moving it, with pool fit often mattering more than brand. Read on for the full comparison, sizing advice, and recommendations by pool type.
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Key Takeaways
- Fit narrows the field fast: the Intex cover is the only listed round-pool-specific option; the other covers are rectangular and may need trimming to match a pool’s outline.
- Sixteen-mil options dominate the heavier-duty choices: VEVOR, BigXwell, Sun2Solar, and VINGLI all offer them, while 12-mil covers can be easier to handle but provide less material thickness.
- Several dimensions appear across brands: 12 x 24 ft, 16 x 32 ft, and 18 x 36 ft options let buyers compare thickness and brand within similar pool footprints.
- VEVOR offers the broadest size range in this group: its listed options span 24 x 12 ft through 40 x 20 ft, including both 12-mil and 16-mil versions at 40 x 20 ft.
- Similar dimensions do not make covers interchangeable: pool shape, edge details, and room for trimming affect fit, while color and thickness alone cannot settle the choice.
| Intex Solar Pool Cover for 16-Foot Round Easy Set and Metal Frame Pools | ![]() | Best for Small, Easy-to-Use Round Pools | Pool Size: 16-foot round | Dimensions: 192 x 192 inches | Material: Plastic | VIEW LATEST PRICE | See Our Full Breakdown |
| VEVOR Solar Pool Cover, 28 x 14 ft, 16 Mil, Blue | ![]() | Best for Rectangular Pools Needing Custom Fit | Dimensions: 28 x 14 ft | Thickness: 16 mil | Material: Polyethylene (PE) | VIEW LATEST PRICE | See Our Full Breakdown |
| VEVOR Solar Pool Cover, 40 x 20 ft, 12 Mil, Blue | ![]() | Best for Large Rectangular Pools on a Budget | Size: 40 x 20 ft | Thickness: 12 mil | Material: Polyethylene (PE) | VIEW LATEST PRICE | See Our Full Breakdown |
| Sun2Solar Blue 16 Mil Solar Pool Cover, 18 x 36 Ft Rectangular | ![]() | Best for Large, Rectangular Pools with High Heat Gain | Size: 18 x 36 ft | Thickness: 16 mil | Material: Resin | VIEW LATEST PRICE | See Our Full Breakdown |
| BigXwell 12-Mil Solar Pool Cover, 16 x 32 ft | ![]() | Best for Budget-Conscious Pool Owners Who Want Easy Handling | Size: 16 x 32 ft | Thickness: 12 mil | Material: Polyethylene (PE) | VIEW LATEST PRICE | See Our Full Breakdown |
| VEVOR Blue Solar Pool Cover, 24 x 12 ft, 16 mil | ![]() | Best for Mid-Size Pools | Brand: VEVOR | Dimensions: 24 x 12 ft | Thickness: 16 mil | VIEW LATEST PRICE | See Our Full Breakdown |
| BigXwell Heavy-Duty Solar Pool Cover, 12 x 24 ft, 16 Mil, Blue | ![]() | Best for Simple Handling | Brand: BigXwell | Dimensions: 12 x 24 ft | Thickness: 16 mil | VIEW LATEST PRICE | See Our Full Breakdown |
| VINGLI 16Mil Solar Pool Cover, Blue 12’x24′ Rectangular | ![]() | Best for Custom-Shaped Pools | Brand: VINGLI | Model: Solar Pool Cover | Dimensions: 12 x 24 ft | VIEW LATEST PRICE | See Our Full Breakdown |
| VEVOR Solar Pool Cover, 32 x 16 ft, 16 Mil, Blue and Black | ![]() | Best for Large Pools | Brand: VEVOR | Dimensions: 32 x 16 ft | Thickness: 16 mil | VIEW LATEST PRICE | See Our Full Breakdown |
| BigXwell Heavy-Duty Solar Pool Cover, 16 x 32 ft, 16 mil, Blue | ![]() | Best for Large Rectangular Pools | Brand: BigXwell | Model: Solar Pool Cover | Dimensions: 16 x 32 ft | VIEW LATEST PRICE | See Our Full Breakdown |
| VEVOR Solar Pool Cover, 40 x 20 ft, 16 Mil, Blue | ![]() | Best for Large Pools | Dimensions: 40 x 20 ft | Thickness: 16 mil | Material: Polyethylene (PE) | VIEW LATEST PRICE | See Our Full Breakdown |
| VINGLI 16 x 32 ft Blue Solar Pool Cover, 12 mil | ![]() | Best for Straightforward Fitting | Size: 16 x 32 ft | Thickness: 12 mil | Material: Polyethylene (PE) | VIEW LATEST PRICE | See Our Full Breakdown |
| VEVOR 32 x 16 ft Solar Pool Cover, 16 Mil Blue Rectangle | ![]() | Best Thicker Mid-Size Pick | Dimensions: 32 x 16 ft | Thickness: 16 mil | Material: Polyethylene (PE) | VIEW LATEST PRICE | See Our Full Breakdown |
| VINGLI 18 × 36 ft Blue Solar Pool Cover, 12 mil | ![]() | Best for Long Rectangular Pools | Size: 18 × 36 ft | Thickness: 12 mil | Shape: Rectangular | VIEW LATEST PRICE | See Our Full Breakdown |
| solar pool cover | Material | Thickness | Color | Shape |
|---|---|---|---|---|
| Intex Solar Pool Cover for 16- | Plastic | — | — | — |
| VEVOR Solar Pool Cover | Polyethylene (PE) | 16 mil | Blue | Rectangular |
| VEVOR Solar Pool Cover | Polyethylene (PE) | 12 mil | Blue | Rectangular |
| Sun2Solar Blue 16 Mil Solar Po | Resin | 16 mil | Blue | Rectangular |
| BigXwell 12-Mil Solar Pool Cov | Polyethylene (PE) | 12 mil | Blue | — |
| VEVOR Blue Solar Pool Cover | Polyethylene (PE) | 16 mil | Blue | Rectangular |
| BigXwell Heavy-Duty Solar Pool | Polyethylene (PE) | 16 mil | Blue | Rectangular |
| VINGLI 16Mil Solar Pool Cover | Polyethylene (PE) | 16 mil | Blue | — |
| VEVOR Solar Pool Cover | Polyethylene (PE) | 16 mil | Blue and black | Rectangular |
| BigXwell Heavy-Duty Solar Pool | Polyethylene (PE) | 16 mil | Blue | Rectangular |
| VEVOR Solar Pool Cover | Polyethylene (PE) | 16 mil | Blue | Rectangular |
| VINGLI 16 x 32 ft Blue Solar P | Polyethylene (PE) | 12 mil | Blue | Rectangular |
| VEVOR 32 x 16 ft Solar Pool Co | Polyethylene (PE) | 16 mil | Blue | Rectangular |
| VINGLI 18 × 36 ft Blue Solar P | Polyethylene (PE) | 12 mil | Blue | Rectangular |
More Details on Our Top Picks
Intex Solar Pool Cover for 16-Foot Round Easy Set and Metal Frame Pools
This inflatable, bubble-style cover is designed specifically for 16-foot round pools, making it a straightforward choice for those with smaller, round setups. Compared with larger or rectangular covers like the Sun2Solar 18 x 36 ft model, this option is easier to handle and install but offers less versatility in pool size compatibility. Its main strength lies in its ability to cut water evaporation by up to 95%, which is excellent for reducing chemical use and maintaining water levels. However, its design limits it to only 16-foot round pools, and it lacks a manufacturer warranty, which could be a concern for long-term peace of mind. This pick makes the most sense for owners of small, round pools seeking an effortless solution that combines heat retention with debris prevention.
Pros:- Simple to install and remove, suited for small pools
- Helps transfer solar heat into the water, warming it naturally
- Reduces water evaporation by up to 95%, saving water and chemicals
- Helps keep leaves and debris out of the pool
Cons:- Limited to 16-foot round pools, not adaptable to other sizes or shapes
- No manufacturer warranty included, which may affect durability confidence
Best for: Owners of 16-foot round pools who want an easy, no-fuss cover that helps save water and chemicals.
Not ideal for: Pool owners with larger, rectangular, or irregular-shaped pools who need a cover that fits different dimensions or shapes.
- Pool Size:16-foot round
- Dimensions:192 x 192 inches
- Material:Plastic
- Installation Type:Floating
- Evaporation Reduction:Up to 95%
- Weight:16 ounces
Our verdict“This cover is ideal for small, round pool owners seeking a straightforward, effective solar solution without the need for customization.”
VEVOR Solar Pool Cover, 28 x 14 ft, 16 Mil, Blue
This rectangular cover offers a generous size and a flexible, cut-to-fit design, making it suitable for a wide range of inground and aboveground pools. Unlike the smaller Intex cover, it can be trimmed to match specific pool dimensions, providing a tailored fit that maximizes heat retention and evaporation reduction. Its thick 16 mil polyethylene bubble construction helps absorb heat during the day and slow heat loss overnight, potentially elevating water temperature by 8–15°C. However, the results depend heavily on environmental conditions, and the need to cut the cover may be a hassle for some users. This product makes the most sense for pool owners with larger or irregularly shaped pools who want a customizable solar solution with effective heat retention.
Pros:- Can be cut to fit various pool sizes and shapes
- Helps raise water temperature by 8–15°C depending on conditions
- Reduces evaporation by up to 95%, conserving water
- Keeps leaves and dust out, maintaining water quality
Cons:- Effectiveness varies with weather and environmental factors
- Requires manual cutting and fitting, which may be inconvenient
Best for: Pool owners with rectangular or irregular-shaped pools seeking a customizable, heat-retaining cover.
Not ideal for: Owners of small or round pools who prefer a ready-made, simple cover that doesn’t require trimming.
- Dimensions:28 x 14 ft
- Thickness:16 mil
- Material:Polyethylene (PE)
- Color:Blue
- Shape:Rectangular
- Evaporation Reduction:Up to 95%
Our verdict“This cover is best suited for those who need a customizable, heat-efficient solution for larger or irregular pools, willing to handle some installation effort.”
VEVOR Solar Pool Cover, 40 x 20 ft, 12 Mil, Blue
Offering a large, 40 x 20 ft coverage area, this VEVOR cover is designed to fit bigger pools and provides a balance between size and thickness at 12 mil. Its polyethylene bubble design helps retain heat and reduces evaporation by up to 95%, similar to thicker models but at a lower cost. While it can be trimmed for a precise fit, its size makes handling and storage more cumbersome compared to smaller options like the Intex cover. Its effectiveness in raising water temperature depends on environmental factors, and its thinner material may be less durable over time. This model makes the most sense for owners of large, rectangular pools who want a cost-effective, sizeable cover that can be customized but are prepared for some handling complexity.
Pros:- Provides extensive coverage for large pools
- Helps retain heat and reduce evaporation effectively
- Can be trimmed to match specific pool dimensions
- Flexible enough to fit different pool shapes
Cons:- Handling and storage can be cumbersome due to large size
- Thinner material may wear faster under harsh sun exposure
Best for: Large rectangular pool owners seeking an affordable, sizable solar cover that can be trimmed for fit.
Not ideal for: Small pool owners or those seeking a lightweight, low-maintenance cover for smaller pools.
- Size:40 x 20 ft
- Thickness:12 mil
- Material:Polyethylene (PE)
- Color:Blue
- Shape:Rectangular
- Evaporation Reduction:Up to 95%
Our verdict“This large, budget-friendly cover is best for owners of big pools who need customizable sizing and are comfortable with larger, heavier sheets.”
Sun2Solar Blue 16 Mil Solar Pool Cover, 18 x 36 Ft Rectangular
This 16 mil thick, 18 x 36 ft cover is designed to fit larger rectangular pools, providing a durable, resin-based barrier that can raise the water temperature by as much as 15°F. Its robust construction helps withstand prolonged sun exposure and debris, making it suitable for outdoor pools in sunny locations. Unlike thinner covers, its thicker resin material offers greater durability but may be slightly heavier and more challenging to handle. While it promises significant heat retention and evaporation reduction, actual results depend on environmental conditions. This makes it suitable for owners seeking a resilient, high-performance cover for large pools that need a reliable, long-lasting shield against heat loss.
Pros:- Thick 16 mil construction enhances durability and heat retention
- Potentially raises pool temperature by up to 15°F
- Resistant to sun damage and debris, suitable for outdoor use
- Fits large rectangular pools with minimal fuss
Cons:- Heavier than thinner covers, may be harder to handle
- Limited to specific pool dimensions, not adjustable
Best for: Owners of large, rectangular pools who prioritize durability, heat gain, and long-term performance.
Not ideal for: Owners of small or irregular pools who need a more lightweight or custom-fit cover.
- Size:18 x 36 ft
- Thickness:16 mil
- Material:Resin
- Color:Blue
- Shape:Rectangular
- Heat Gain:Up to 15°F
Our verdict“This heavy-duty, large-size cover is best for pool owners who need a durable, high-performance solution that maximizes heat gain and withstands outdoor conditions.”
BigXwell 12-Mil Solar Pool Cover, 16 x 32 ft
This 12 mil polyethylene cover provides a lightweight, trimmed-to-fit option for both above-ground and in-ground pools, making it an accessible choice for budget-conscious buyers. Its bubble design helps retain heat and reduces evaporation by up to 95%, similar to thicker models, but its thinner material may be less durable over time, especially in prolonged sun exposure. The ability to trim it to size offers flexibility, though it adds a step for those preferring ready-to-use solutions. This pick makes the most sense for pool owners seeking an inexpensive, easy-to-handle cover that still offers good evaporation reduction and some heat retention, especially if they are willing to handle the trimming process.
Pros:- Lightweight and easy to handle
- Can be trimmed to fit different pool shapes and sizes
- Helps reduce evaporation by up to 95%
- Cost-effective solution for pool heat retention
Cons:- Thinner material may wear faster and be less durable
- Effectiveness depends on weather conditions and sunlight
Best for: Budget-conscious pool owners wanting a lightweight, customizable cover for above-ground or in-ground pools.
Not ideal for: Owners of pools in very sunny or harsh environments who need a highly durable, long-lasting cover.
- Size:16 x 32 ft
- Thickness:12 mil
- Material:Polyethylene (PE)
- Pool Compatibility:Above-ground and in-ground
- Evaporation Reduction:Up to 95%
- Color:Blue
Our verdict“This affordable, lightweight cover is best for owners who want a simple, customizable solution to reduce evaporation and retain heat without a big investment.”
VEVOR Blue Solar Pool Cover, 24 x 12 ft, 16 mil
The VEVOR 24 x 12 ft is a practical match for rectangular pools that need a 16 mil floating cover without stepping up to a much larger sheet. Its polyethylene bubble film is designed to absorb heat in daylight and slow heat loss and evaporation when the pool is covered, while also keeping some leaves and dust out. Compared with the BigXwell 12 x 24 ft, 16 Mil, the listed dimensions are the same, so choosing between them comes down less to coverage and more to the stated fit and care details: VEVOR specifically highlights use with inground and above-ground pools and a customizable cut. The tradeoff is that irregular outlines require trimming, and the cover’s heat and evaporation benefits vary with weather and pool conditions. It is a sensible mid-size option, not a specialized solution for unusual pool chemistry or shapes.
Pros:- 16 mil bubble film is designed to absorb daytime heat and limit heat loss.
- Can help reduce water evaporation while the pool is covered.
- Helps keep leaves and dust out of the water.
- Can be cut to fit different pool shapes.
Cons:- Non-rectangular pools require trimming to fit.
- Heat retention and evaporation reduction depend on environmental conditions.
- The listing does not specify a dedicated storage or handling accessory.
Best for: Owners of rectangular inground or above-ground pools around 24 x 12 ft who want a cuttable 16 mil cover.
Not ideal for: Owners of highly irregular pools who want a ready-shaped cover, or buyers expecting consistent heat and evaporation results in every climate.
- Brand:VEVOR
- Dimensions:24 x 12 ft
- Thickness:16 mil
- Material:Polyethylene (PE)
- Color:Blue
- Shape:Rectangular
- Weight:21.3 lb
- Installation:Floating
Our verdict“Choose this VEVOR for a mid-size pool needing a cuttable 16 mil cover, but expect to trim it for anything beyond a simple rectangle.”
BigXwell Heavy-Duty Solar Pool Cover, 12 x 24 ft, 16 Mil, Blue
The BigXwell 12 x 24 ft pairs a familiar rectangular footprint with a lightweight, floating design, making it a straightforward pick for owners who expect to remove and replace their cover regularly. Its thermal bubbles are intended to capture solar heat, while the cover also blocks debris and is described as reducing water and chemical evaporation. Compared with the VEVOR 24 x 12 ft, 16 mil, it offers the same listed dimensions and thickness; BigXwell’s clearest distinction is its emphasis on easy installation and removal rather than a specific fit advantage. The stated evaporation reduction is a product claim, not a guaranteed result, and performance will depend on use and conditions. It still needs trimming for a close fit and rinsing and storage when it is off the pool, so it suits buyers willing to do routine cover care.
Pros:- Thermal bubbles are designed to absorb and retain solar heat.
- Helps block dust, leaves, and other debris.
- Designed to reduce water and chemical evaporation.
- Lightweight construction supports easier installation and removal.
Cons:- May need trimming to match the pool closely.
- Requires rinsing and storage when not in use.
- Evaporation reduction depends on conditions and should not be treated as a guaranteed result.
Best for: Pool owners with a roughly 12 x 24 ft rectangular pool who regularly take the cover off and want a lightweight sheet to handle.
Not ideal for: Buyers who want a fitted cover without trimming or who lack space to rinse and store it between uses.
- Brand:BigXwell
- Dimensions:12 x 24 ft
- Thickness:16 mil
- Material:Polyethylene (PE)
- Color:Blue
- Shape:Rectangular
- Installation:Floating
- Pool compatibility:In-ground pools
Our verdict“Pick BigXwell over the similarly sized VEVOR if easier routine handling matters more to you than a distinct fit or feature advantage.”
VINGLI 16Mil Solar Pool Cover, Blue 12’x24′ Rectangular
For buyers adapting a standard sheet to a less standard pool outline, the VINGLI 12 x 24 ft makes its case with a tear-resistant, trim-to-fit polyethylene design. Its 16 mil bubble core is intended to absorb sunlight and retain warmth, while also helping reduce evaporation and keep debris off the water. That makes it closely comparable to the BigXwell 12 x 24 ft, 16 Mil, but VINGLI explicitly calls out trimming for irregular shapes. The flexibility comes with a practical drawback: cutting is a one-way adjustment, so careful measuring matters. The large sheet can also be cumbersome to move without a reel, and the bubble side must face down. The cover may look slightly deflated before sun exposure, which is a handling detail rather than a reason to expect immediate warmth. It is best for owners prepared to fit and manage the cover themselves.
Pros:- Tear-resistant polyethylene is designed for regular floating use.
- Bubble core is intended to absorb sunlight and retain heat.
- Can be trimmed for irregular pool shapes.
- Helps reduce evaporation and keep debris out.
Cons:- Large sheet can be cumbersome to handle without a cover reel.
- Bubble side must face down during use.
- Trimming requires careful measuring and cannot be reversed.
Best for: Owners of irregular or nonstandard pools who want a 16 mil cover they can trim from a larger rectangular sheet.
Not ideal for: Pool owners who need frequent solo removal, do not have room for a large cover, or want a ready-to-use fitted shape.
- Brand:VINGLI
- Model:Solar Pool Cover
- Dimensions:12 x 24 ft
- Thickness:16 mil
- Material:Polyethylene (PE)
- Color:Blue
- Installation:Floating
- Fit:Can be trimmed to size
Our verdict“Choose VINGLI over the similarly sized BigXwell when adapting the cover to an irregular outline is your priority and you can manage the large sheet.”
VEVOR Solar Pool Cover, 32 x 16 ft, 16 Mil, Blue and Black
At 32 x 16 ft, this VEVOR is the coverage-focused choice in this group: it gives owners of larger rectangular pools more sheet to work with than the 24 x 12 ft options from BigXwell and VINGLI. Its 16 mil polyethylene bubble design is meant to absorb heat by day and retain warmth overnight, and it can be trimmed for a closer fit on irregular pools. The product also claims evaporation reduction of up to 95%, though actual results depend on pool and weather conditions. Its 37.7 lb listed weight signals a larger cover to manage than the smaller alternatives, so removal and storage may take more effort. A more specific limitation is the warning against highly acidic or chlorinated environments; owners with water chemistry outside ordinary conditions should look elsewhere or check compatibility before buying.
Pros:- Large 32 x 16 ft sheet suits bigger pools.
- 16 mil bubble design is intended to absorb daytime heat and retain warmth overnight.
- Can be cut to fit irregular pool shapes.
- Designed to reduce water evaporation and cover the pool surface.
Cons:- Listed weight of 37.7 lb can make handling more demanding than smaller covers.
- Not recommended for highly acidic or chlorinated environments.
- The stated evaporation reduction is a claim and will vary with conditions.
Best for: Owners of large inground or above-ground pools who need broad 16 mil coverage and are prepared to handle a larger sheet.
Not ideal for: Owners of smaller pools who would need to trim away substantial material, or those with highly acidic or chlorinated pool conditions.
- Brand:VEVOR
- Dimensions:32 x 16 ft
- Thickness:16 mil
- Material:Polyethylene (PE)
- Color:Blue and black
- Shape:Rectangular
- Weight:37.7 lb
- Pool compatibility:Inground and above-ground pools
- Care:Hand wash only
Our verdict“Choose this VEVOR when a large pool needs 16 mil coverage, but skip it if your water chemistry falls into the stated exclusion.”
BigXwell Heavy-Duty Solar Pool Cover, 16 x 32 ft, 16 mil, Blue
The BigXwell 16 x 32 ft is a large-format pick for rectangular pools where the smaller 12 x 24 ft covers would leave too much surface uncovered. Its 16 mil polyethylene bubbles are designed to absorb and retain heat, and the cover is also intended to limit evaporation and block leaves and other debris. Compared with the VEVOR 32 x 16 ft, 16 Mil, it has the same listed dimensions and thickness, but BigXwell specifies compatibility with inground and above-ground pools and gives a care method: hand-wash with mild detergent and air-dry. That detail helps clarify upkeep, though it does not make the cover easier to manage. The large sheet may need trimming, must come off for swimming, and will take more space to handle and store than the smaller options.
Pros:- 16 x 32 ft size covers a larger pool surface than the 12 x 24 ft options.
- Thermal bubbles are designed to absorb and retain heat.
- Designed to reduce water evaporation and block debris.
- Care instructions specify hand-washing with mild detergent and air-drying.
Cons:- May require trimming for a close fit.
- Must be removed before swimming.
- Large dimensions can make removal, drying, and storage more demanding.
Best for: Owners of large rectangular inground or above-ground pools seeking a 16 mil cover with stated cleaning instructions.
Not ideal for: Owners of smaller pools, or anyone who wants to leave a cover in place while swimming or avoid handling a large sheet.
- Brand:BigXwell
- Model:Solar Pool Cover
- Dimensions:16 x 32 ft
- Thickness:16 mil
- Color:Blue
- Shape:Rectangular
- Material:Polyethylene (PE)
- Installation:Floating
- Pool compatibility:Inground and above-ground pools
Our verdict“Choose BigXwell for a large rectangular pool when you want a 16 mil cover and clear care directions, but not if easy solo handling is a priority.”
VEVOR Solar Pool Cover, 40 x 20 ft, 16 Mil, Blue
For a large rectangular pool, the 40 x 20 ft VEVOR pairs broad coverage with a 16 mil polyethylene bubble construction. That thickness makes it a better fit than the thinner 12 mil VINGLI 18 × 36 ft when you want a more substantial cover, though the VINGLI’s smaller footprint may be easier to handle. This model floats on the water, helps limit evaporation and debris, and can be trimmed for a closer fit if your pool is not a perfect rectangle. Its stated heat gains depend on weather and pool conditions, so I would treat the 8–15°C figure as a possibility, not a promise. The main tradeoff is its 59.1 lb weight: fitting and storing a cover this large takes space and effort. Water chemistry also needs attention, with chlorine below 2.5 ppm and pH above 7.2.
Pros:- 16 mil polyethylene construction offers a thicker option than the 12 mil VINGLI covers in this lineup.
- 40 x 20 ft dimensions suit large rectangular pools.
- Helps reduce evaporation and keep leaves and dust out.
- Can be trimmed to fit a different pool outline.
Cons:- At 59.1 lb, it can be cumbersome to position and store.
- Heat gains vary with weather and other pool conditions.
- Calls for chlorine below 2.5 ppm and pH above 7.2.
Best for: Owners of large inground or above-ground pools close to 40 x 20 ft who want a thicker cover and can manage its size.
Not ideal for: Owners of smaller pools or anyone who needs a lightweight cover that is easy to remove and store; this model is large and weighs 59.1 lb.
- Dimensions:40 x 20 ft
- Thickness:16 mil
- Material:Polyethylene (PE)
- Color:Blue
- Shape:Rectangular
- Item weight:59.1 lb
- Installation:Floating
- Water chemistry guidance:Chlorine below 2.5 ppm; pH above 7.2
Our verdict“Choose this VEVOR if your pool needs wide, thick coverage and you have room and help to handle a heavy cover.”
VINGLI 16 x 32 ft Blue Solar Pool Cover, 12 mil
The VINGLI 16 x 32 ft is a practical pick for buyers who want a familiar rectangular size and a cover they can trim to fit. Its 12 mil polyethylene construction is thinner than the 16 mil VEVOR 32 x 16 ft, so I’d favor the VEVOR if a thicker material is the priority. In return, this VINGLI keeps the setup simple: it floats on the pool, absorbs daytime heat, and helps limit evaporation and debris without a more elaborate installation. Trimming gives it flexibility around irregular edges, but it also means careful measuring before cutting; once removed, material cannot be put back. The manufacturer notes that the bubbles may look slightly deflated before sun exposure, which could concern buyers expecting a fully expanded appearance right away. This is a sensible fit for routine seasonal use, not the choice for someone specifically seeking a 16 mil cover.
Pros:- 16 x 32 ft dimensions suit a common rectangular pool footprint.
- Can be cut to fit irregular pool shapes.
- Floating design absorbs daytime heat and helps retain warmth.
- Helps reduce evaporation and keep debris out.
Cons:- 12 mil thickness is less substantial than the 16 mil VEVOR 32 x 16 ft.
- Trimming requires careful measuring and leaves little room to correct a cut.
- Bubbles may look slightly deflated before sun exposure.
Best for: Pool owners with a roughly 16 x 32 ft rectangular pool who want a floating, cut-to-fit cover for seasonal heat retention and debris control.
Not ideal for: Buyers prioritizing thicker construction or those uncomfortable measuring and trimming a cover to match an irregular pool outline.
- Size:16 x 32 ft
- Thickness:12 mil
- Material:Polyethylene (PE)
- Color:Blue
- Shape:Rectangular
- Installation:Floating
- Closure:Pull-on
- Number of items:1
Our verdict“Pick this VINGLI for a trim-to-fit 16 x 32 ft cover when easy floating use matters more than thicker material.”
VEVOR 32 x 16 ft Solar Pool Cover, 16 Mil Blue Rectangle
At 32 x 16 ft, this VEVOR matches the footprint of the 12 mil VINGLI 16 x 32 ft while using a 16 mil polyethylene bubble cover. That makes it the stronger choice for buyers who want a thicker option at this pool size, while VINGLI may suit someone who prefers its simpler stated setup. The floating cover is designed to collect daytime warmth, slow heat loss and reduce evaporation by up to 95%; the listed temperature increase of 8–15°C depends on conditions, so it should not be treated as guaranteed. It can also be trimmed to fit, but the care instructions call for gentle cleaning and dry, cool storage when it is not in use. Those steps matter: this is not a leave-it-anywhere accessory. At 37.8 lb, it is also a sizable piece of material to fold and put away.
Pros:- 16 mil thickness is greater than the 12 mil VINGLI cover with the same listed footprint.
- 32 x 16 ft size fits a mid-size rectangular pool.
- Designed to reduce evaporation by up to 95% and help retain heat.
- Can be trimmed for a closer fit and is listed for inground and above-ground pools.
Cons:- The stated 8–15°C temperature increase depends on environmental conditions.
- Requires gentle cleaning and dry, cool storage when not in use.
- At 37.8 lb, handling and storage take some effort.
Best for: Owners of 16 x 32 ft pools who prefer a 16 mil cover and are prepared to clean and store it with care.
Not ideal for: Buyers seeking a lighter, low-maintenance cover or a guaranteed water-temperature increase regardless of local conditions.
- Dimensions:32 x 16 ft
- Thickness:16 mil
- Material:Polyethylene (PE)
- Color:Blue
- Shape:Rectangular
- Installation:Floating
- Weight:37.8 lb
- Pool compatibility:Inground and above-ground
- Potential temperature increase:8–15°C, depending on conditions
Our verdict“Choose this VEVOR over the thinner VINGLI if your 16 x 32 ft pool needs a 16 mil cover and careful storage is manageable.”
VINGLI 18 × 36 ft Blue Solar Pool Cover, 12 mil
The VINGLI 18 × 36 ft suits a longer rectangular pool and offers the same 12 mil thickness as the smaller VINGLI 16 x 32 ft, but with more coverage. Its polyethylene bubbles absorb daytime heat, while the floating cover helps reduce evaporation and keep leaves and debris out. If a pool is closer to 16 x 32 ft, the smaller VINGLI is a more manageable match; for owners who want a thicker option at a similar scale, the VEVOR 40 x 20 ft, 16 mil has more substantial material, though it is also larger and heavier. This VINGLI can be trimmed with scissors for irregular edges, but accurate measuring is key. The listed 19.87 kg weight and hand-wash-only care also mean removal, cleaning and storage are not effortless. Bubbles may look slightly deflated before sun exposure.
Pros:- 18 × 36 ft size provides coverage for a long rectangular pool.
- Can be trimmed with scissors for irregular pool outlines.
- Air bubbles help absorb daytime heat and retain warmth.
- Helps reduce evaporation and keep leaves and debris out.
Cons:- 12 mil thickness is thinner than the 16 mil VEVOR options.
- At 19.87 kg, removing and storing it may take effort.
- Hand-wash-only care and the need for careful trimming add maintenance.
Best for: Owners of long rectangular pools near 18 × 36 ft who want a trim-to-fit floating cover for warmth and debris reduction.
Not ideal for: Owners of smaller pools or buyers seeking a thicker cover that needs less careful handling and cleaning.
- Size:18 × 36 ft
- Thickness:12 mil
- Shape:Rectangular
- Color:Blue
- Material:Polyethylene (PE)
- Item weight:19.87 kg
- Installation:Manual
- Care instructions:Hand wash only
Our verdict“Choose this VINGLI if your pool is close to 18 × 36 ft and broad coverage matters more than thicker construction or easy handling.”

How We Picked
I ranked these solar pool covers around the choices that most affect day-to-day suitability: listed dimensions, compatibility with round or rectangular pools, material thickness, and how clearly each option matches a common pool footprint. A cover that fits the pool is more useful than a thicker one that leaves gaps or requires awkward cutting, so fit and size range carry substantial weight.
I also compared the lineup for use-case clarity, including lighter 12-mil choices, thicker 16-mil alternatives, and brand coverage across repeated dimensions. The order favors options with a clear fit or balance of size and thickness; it does not claim laboratory performance or hands-on durability testing. Where several products share dimensions and thickness, their ranking reflects the role they serve in the roundup rather than an unsupported claim that one brand performs better.
| solar pool cover | Material | Color | Installation |
|---|---|---|---|
| Intex Solar Pool Cover for 16- | Plastic | — | — |
| VEVOR Solar Pool Cover | Polyethylene (PE) | Blue | — |
| VEVOR Solar Pool Cover | Polyethylene (PE) | Blue | — |
| Sun2Solar Blue 16 Mil Solar Po | Resin | Blue | — |
| BigXwell 12-Mil Solar Pool Cov | Polyethylene (PE) | Blue | — |
| VEVOR Blue Solar Pool Cover | Polyethylene (PE) | Blue | Floating |
| BigXwell Heavy-Duty Solar Pool | Polyethylene (PE) | Blue | Floating |
| VINGLI 16Mil Solar Pool Cover | Polyethylene (PE) | Blue | Floating |
| VEVOR Solar Pool Cover | Polyethylene (PE) | Blue and black | — |
| BigXwell Heavy-Duty Solar Pool | Polyethylene (PE) | Blue | Floating |
| VEVOR Solar Pool Cover | Polyethylene (PE) | Blue | Floating |
| VINGLI 16 x 32 ft Blue Solar P | Polyethylene (PE) | Blue | Floating |
| VEVOR 32 x 16 ft Solar Pool Co | Polyethylene (PE) | Blue | Floating |
| VINGLI 18 × 36 ft Blue Solar P | Polyethylene (PE) | Blue | Manual |
Factors to Consider When Choosing Solar Pool Covers
Before choosing a cover, I would start with the pool and the routine around it—not the product label. These buying factors can help prevent a common mismatch: selecting a cover by its advertised dimensions or thickness without accounting for pool shape, trimming, storage, and who will remove it.
Measure the Water Surface, Not Just the Pool’s Name
Measure the pool’s usable water surface at its widest points, then compare those measurements with the cover’s stated dimensions. Above-ground pool names and nominal sizes do not always describe the exact area a cover needs to reach. A rectangular cover can often be trimmed, but that only helps when the starting sheet is large enough to cover the pool with a little margin. Cutting too early can leave exposed water around the edges, reducing the cover’s usefulness. For round or irregular pools, check whether the product is intended for that shape or whether you are comfortable marking and cutting a rectangle. Leave room to follow the maker’s fitting guidance rather than assuming every pool of the same nominal size has identical dimensions.
Choose Thickness With Handling in Mind
A 16-mil cover has more material thickness than a 12-mil cover, which may appeal to buyers prioritizing a heavier-duty sheet. Thickness alone does not tell you how long a cover will last or how well it retains heat, since construction, sun exposure, storage, and care also matter. A thicker sheet can be more cumbersome to lift, fold, or roll, especially on a large pool. If one person will remove it regularly, handling effort may matter more than choosing the thickest option available. Consider how often the pool is uncovered and whether a reel or another storage method is part of your setup. A manageable cover that gets used consistently may suit your routine better than a heavier one that is difficult to move.
Match Shape Before Comparing Brands
Shape is a practical filter, not a minor detail. Round pools benefit from a cover designed for a round footprint, while rectangular covers are easier to compare by length and width and may be trimmed for a closer fit. Trimming can create a custom outline, but it is irreversible, so verify the measurements and cutting instructions before making an adjustment. Account for steps, rounded corners, ladders, or other features that change the waterline shape. Do not assume a cover will neatly wrap around the pool wall or accessories unless the product guidance says so. When the outline is unusual, choose a sheet with enough dimensions to allow careful fitting rather than trying to stretch a close fit.
Think Through Removal and Storage
Solar covers work best as part of a routine, so plan where the cover will go when the pool is in use. A large sheet can be awkward to fold neatly and can take up considerable space, particularly in 16 x 32 ft, 18 x 36 ft, and 40 x 20 ft sizes. A reel may make regular removal easier, but check compatibility and whether it suits the pool’s width and layout before buying one separately. Keep the cover away from rough edges and follow care instructions for cleaning and storage; careless handling can shorten its useful life. If the cover will be removed often, prioritize manageable size and a realistic storage plan over features you may rarely use.
Set Expectations for Heating and Evaporation
A solar cover can help reduce heat loss and evaporation, but it is not a pool heater and cannot promise a particular water temperature. Results depend on weather, sun exposure, pool size, use, and how consistently the cover is in place. Buyers sometimes expect thickness or color alone to predict exact heating performance, yet the listed specifications here do not establish a guaranteed temperature increase. Think of the cover as one part of pool heat management, alongside local conditions and the hours the pool is covered. If maintaining a specific temperature is essential, plan for a separate heating solution rather than relying on the cover alone. This expectation helps keep a cover’s role clear: it can help retain warmth, not create it on demand.
Compare Like With Like, Then Check the Details
When two covers share dimensions, compare thickness and pool compatibility before treating them as direct substitutes. This roundup includes repeated sizes from different brands, plus both 12-mil and 16-mil choices at some footprints, giving buyers a useful basis for a like-for-like comparison. Still, the listed size and thickness do not reveal every detail of construction, warranty, or care requirements, so read the current product information before ordering. Check that the cover is intended for your pool type and confirm any included accessories rather than assuming they come with it. A small difference in shape, color, or product naming can also distinguish a pool-specific cover from a general rectangular sheet. Prioritize confirmed fit and the details that affect your routine over a spec that sounds impressive on its own.
Frequently Asked Questions
Should I choose a 12-mil or 16-mil solar pool cover?
Choose based on the balance you want between material thickness and ease of handling. The 16-mil options in this roundup may suit buyers who prefer a heavier-duty sheet, while the 12-mil choices offer a thinner alternative that may be easier to move. Thickness by itself does not prove a cover will last longer or deliver a particular temperature gain. For a large pool, consider whether you can comfortably remove and store the cover as well as whether the extra thickness is worth that effort. Compare products with the same dimensions where possible so thickness is not confused with a difference in coverage.
Can I use a rectangular solar cover on a round pool?
A rectangular cover may be cut to fit a round pool if its dimensions provide enough coverage and the manufacturer allows trimming. Measure the actual water surface and mark the intended outline before cutting; trimming cannot be reversed if the sheet ends up too small. The Intex option in this roundup is specifically listed for 16-foot round Easy Set and Metal Frame pools, making it a more direct shape match for those pools. A rectangular sheet can offer flexibility for other shapes, but it calls for careful fitting. Check the product’s pool compatibility and fitting instructions before purchase.
How much larger should a solar pool cover be than my pool?
There is no single allowance that fits every pool, since cover dimensions and edge shape vary. Compare the cover’s stated measurements with the pool’s water surface and follow the manufacturer’s fitting guidance. A little extra coverage can give you room to trim a rectangular sheet, but too much excess may make the cover harder to handle or store. Avoid ordering a sheet that only matches the pool’s nominal size without measuring the actual surface. For steps, rounded corners, or unusual outlines, map the shape before deciding whether a rectangular cover is a practical match.
Is a solar pool cover enough to heat my pool?
A solar cover can help retain warmth and limit evaporation, but it is not a powered heater. How much difference it makes depends on sunlight, weather, pool conditions, and how consistently the cover is used. Product thickness and color do not establish a guaranteed temperature increase, so treat specific heating claims cautiously unless they are supported by clear product information. If you need reliable temperature control, a separate pool heater may still be necessary. A cover is best viewed as a passive aid to heat retention rather than a replacement for heating equipment.
Do I need a reel for a large solar pool cover?
A reel is not always required, but it can make a large cover easier to remove and put back, especially if you use the pool often. Covers at 16 x 32 ft, 18 x 36 ft, and 40 x 20 ft can be awkward for one person to fold and carry. Before buying a reel, check that its width and attachment method suit your pool and cover. If you plan to move the cover by hand, think through where it will be placed and how it will be kept clean and protected. The best choice depends on your pool size, available storage, and removal routine.
Conclusion
For most buyers with a rectangular pool, I would start with the Sun2Solar Blue 16 Mil, 18 x 36 ft as the best overall pick in this lineup, while confirming that its footprint matches the pool. The VEVOR 40 x 20 ft, 16 Mil is my choice for a larger rectangular pool, and buyers seeking a thinner option can compare the 12-mil VEVOR, BigXwell, and VINGLI covers at their required size. For a more direct beginner-friendly fit on a compatible 16-foot round pool, the Intex Solar Pool Cover avoids starting with a rectangular sheet that needs shaping. I would treat the VEVOR 40 x 20 ft, 12 Mil as a value-oriented alternative to its 16-mil counterpart when a thinner sheet better suits your handling needs, not as a claim about price. There is no single premium winner without verified differences beyond size and thickness: buyers who want a thicker listed option should compare the 16-mil covers at the exact footprint they need. Match dimensions and shape first, then choose thickness according to your storage and removal routine.
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