This Waterproof Round Blue Pool Cover is made of high-quality and harmless PE materials, making it durable and safe. It helps keep the pool free of dirt and debris when not in use, and reduces water evaporation. It also keeps the water warm under sunshine so you can enjoy swimming in the whole season. Available in various sizes, it is perfect for both foot easy set and metal framed round swimming pools. Features 1. Keep Your Pool Clean: More time swimming in your inflatable pool and less time cleaning it by the pool cover this summer. Helps keep your above ground pool free of dirt and debris when not in use. 2. Keep Pool Water Clear & Water Save: Don't need to add water even passed a few day for last swim because we can reduce water evaporation. You can reuse the water because pool cover keep the pool water clear. 3. Keep Water Warm: Not only cover your pool, our pool cover also keep the water warm under sunshine. So you can keep enjoy your swimming in the whole season. 4. Durable and Safe: Our pool cover is waterproof and never be damaged by soaking in water or sunshine. You can keep use it at next year. Made by high-quality harmless PE materials. 5. Perfect for Various Round Pools: Great for both foot easy set and metal framed round swimming pools! Specification Material: PE Color: Blue Size: Diameter 183cm, 244cm, 305cm, 366cm Weight: 300g, 500g, 700g, 950g Package Include: 1 Round Pool Cover