Make sure to place the pool cover after play in the pool. Assure your pool’s temperature does not drop too much by protecting it at night through use this pool cover. Reduce water evaporation by 90%. So you can swim or play in the pool in advance at next day.Perfect for 6-15 Feet Diameter :1.Easy set and metal framed round pools;2.In-ground and above-ground round swimming pool;3.Round, square and rectangle inflatable pool;4.Hot Bathtub or massage tub for outdoor.2022 New Upgrade Thicken Pool Cover:1.Keep your pool free of dirt, insects and debris;2.Extend your swimming season;3.Reduce water evaporation by 95%;4.Made by high-quality harmless materials;5.Never be damaged by soaking in water or sunshine;Cover material: PolyethylenePool size Compatibility: 183cm/6ft244cm/8ft305cm/10ft366cm/12ft457cm/15ftColor: BluePackage Content: 1 x pools coverWarm Tips:1.Use the drawstring to tighten the pool cover;2.Keep it in a bag when not in use and continue to use it next year.Reduce 90% Water Evaporation and Keep Water Warm