The protective is made of PE tarpaulin, which is sturdy and durable. The use of it prevents leaves from falling into the pool, protects the pool from pollution and helps prevent water evaporation in the pool. The drawstring design makes the perfectly suitable for the size of the pool. You just need to cover the inflatable pool on the pool surface and tighten the rope so that the pool protector can firmly hold the pool without fearing a serious typhoon or heavy rain. The swimming pool is soft, lightweight and foldable, easy to carry and store without taking up too much storage space. Ideal for easy installation on two legs and a round metal frame pool Thermal covers for above ground and underground swimming pools. Our swimming is waterproof and will not be damaged by immersion in water or sunlight, making it an ideal thermal cover for heated swimming pools. You can continue to use it next summer. Convenient and economical to use.