Solar Blanket 18' Round 8 mil

18' Round 8 mil Solar Blanket  The sun’s heat is transmitted through the translucent Sunbubble™ and is absorbed in the water below. Floating on the surface, thousands of unique solar air cells retain the absorbed heat to raise the pool temperature by up to 10-15˚ F. This lets you swim comfortably more hours in the day, more days in the year