Color: Blue Waterproof Pool Cover: The pool cover is made of waterproof polyethylene, which is more durable. Using a pool cover can prevent leaves from falling into your pool and protect your pool from getting dirty. and help prevent the pool water from evaporating, reducing unnecessary refilling of water into the pool and allowing you to enjoy a longer period of water play. Drawstring Design. Easy to Use and Stable Tightening: The drawstring design makes the pool cover fit the size of the pool perfectly. You only need to cover the surface of your swimming pool and then tighten the rope, so that the swimming pool cover can protect the swimming pool tightly without fear of typhoons or heavy rain. UV Resistant and Weatherproof: You can use the ultra-thick tarpaulin all year round, no matter it is windy, rainy or snowy. The premium polyester cover is weather, water and UV resistant, protecting any item from extreme weather conditions. Portable and easy to store: The round pool cover is