Costway 20x40 ft Rectangular Pool Solar Cover 12 Mil Heat Retaining Blanket with Carry Bag

Extend the Swimming Season: Built with thousands of tiny bubbles, this blue pool cover effectively collects solar energy to heat up the pool water, which is able to raise water temperature by up to 8-15℃/ 14-27℉in about 5-7 days of consistent sunlight (Please Note: The effect of heating is influenced by the environment). || Keep Water Clean & Minimize Evaporation: Using this pool cover can prevent up to 95% of water evaporation. Besides, this pool cover helps to keep your pool water away from dust, dirt and leaves, saving your cleaning time and cost. So remember to keep your pool covered when not in use.|| In-Ground or Above-Ground Pools: This rectangular pool solar cover is suitable for both in-ground and above-ground swimming pools. There is no need to worry if your pool is not in a rectangular shape. The pool solar blanket can be freely cut to fit any shape of the pool, such as rectangle, square, round and other irregular shapes.|| tough Material: This pool solar blanket is made of 12 MIL thick PE material, which is safe, anti-aging and anti-seismic pressure for long-term use. Unlike others, ours is made to last, and not easy to tear, thus ensuring durability. When you're not swimming, simply cover this pool heater on your swimming pool.|| Easy Storage: This pool cover is also convenient to store. When not in use, this pool solar blanket can be easily folded. Moreover, the package includes a carrying bag with portable handles, which is beneficial for easy storage and transport. Size of the pool cover: 40 ft x 20 ft(L x W).