Midwest Canvas -2YR FULL 18' RD SOLAR COVER 12 MIL CLEAR 18 RD 5YRThis 18' round solar cover helps maintain your pools temperature by trapping solar heat, reducing the need for additional heating. The 12 mil clear design allows more sunlight to penetrate, ensuring efficient water warming. Built to last, the cover is made from high quality material that resists UV damage, extending its lifespan. It helps reduce evaporation, saving water and minimizing chemical loss. Designed for easy use, this cover is lightweight