Bestway - Solar Pool Cover

●Made Of Durable, Reliable Materials That Prevent Heat From Escaping While Keeping The Water Comfortably Warm ●Solar Cover Prevents Water Evaporation Caused By Dry Winds Or Free-Chlorine Loss Caused By Uv Rays ●Recommended For Use With Above-Ground Pools That Measure Up To 18 Feet In Diameter; Pool Is Not Included