Using no fuel or electricity, this pool solar blanket offers you an effective and affordable solution to heat up your pool water and extend the swimming season. And this pool solar reduces water evaporation so that saves expensive water bills. Moreover, this pool cover can also prevent leaves, dust and debris from accumulating in the water. Please keep your pool covered when you are not enjoying it, which avoids the water temperature from dropping too much at night. This rectangular pool solar blanket is suitable for in-ground and above-ground swimming pools. In addition, you can freely cut it into any shape you want to fit your pool. The rectangle pool cover is available in 4 sizes. Heats up the pool water by utilizing solar energy Prevents the water temperature from dropping too much at night Keep the water clean and reduces the evaporation Made of durable and thick PE material Easy to store and transport with the carry bag Suitable for in-ground and above-ground swimming pools Can be cut into any shape you want Available in 4 sizes for you to choose from Specifications: Color: Blue Material: PE Product Dimensions: Rectangular: 7.2 ft x 4.9 ft/ 8.5 ft x 5.5 ft/ 9.8 ft x 6.6 ft/ 13.1 ft x 6.9 ft Round: 6ft/8ft/10ft/12ft 【High-quality material】:The rectangular swimming pool cover is made of high-quality PE, which is durable and not easy to tear. Fix it with wear-resistant rope to prevent it from being blown away by the wind. 【Scope of application】:The size of the thickened rectangular swimming pool cover is 9.8 ft x 6.6 ft. Equipped with drawstring to tighten, generally you can use pools of similar size. 【Dustproof Insulation and Keep It Clean】: Close to the top of the swimming pool to protect your family swimming pool from falling leaves, dust, rain and other pollution. Even if you swim for a few days, there is no need to add water, because our swimming pool solar cover can reduce water evaporation, effectively dissipate heat and save water. 【Easy to store and fold】:The rectangular pool cover extends the service life of the pool and saves costs. The rectangular pool cover can be folded, the folding pool cover is convenient to place, does not occupy space, and is convenient to carry and store. Is your ideal helper. 【Insulation】:Ideal for installing on concrete surface. Keep your pool clean and free of fallen leaves and secure your pool off from people and animals.