The Bestway 15 Foot Solar Cover is a pool cover that works hard to keep debris out of your pool and keep the heat in.Solar covers reduce evaporation and radiant heat loss by trapping the heat inside your pool and collecting the rays of the sun for additional heating. They also provide a barrier in-between the water surface and falling debris.This cover is simple to use. It fits on the inside of Steel Pro Frame Pools and stays in place. Designed for use with the 15 and 16 foot round, above-ground pools or similar pools by Intex or Summer Escapes.Keep your pool heating costs down this season with the The 15 Foot Solar Cover.