Keep water and heat in and debris, leaves, and trash out of your pool with this Bestway Solar Pool Cover. Above ground swimming solar pool covers create a greenhouse effect in your pool. Solar covers also prevent water evaporation caused by dry winds, or free-chlorine loss caused by UV rays. These covers are designed to keep water and heat in, but debris out. Extend your swimming season with a Bestway Solar Pool Cover. Fits 6.71 m x 3.66 m x 1.32 m (22 x 12 x 52), 7.32 m x 3.66 m x 1.32 m (24 x 12 x 52) Power Frame Pools