Midwest Canvas 15' RD SOLAR COVER 8 MILMidwest Canvas 15' Round Solar Cover 8 Mil is designed to maintain pool temperature, reduce evaporation, and keep your pool cleaner while lowering maintenance costs. The blue and silver 8 mil material effectively traps heat, ensuring that your pool stays warm while reducing the need for additional heating. Constructed with UV resistant polyethylene, this durable cover withstands prolonged sun exposure and pool chemicals for long lasting performance.