Goplus Rectangle 12 x 24 FT Pool Cover for In-Ground and Above-Ground Swimming PoolsDescription: Using no fuel or electricity, this pool solar blanket offers you an effective and affordable solution to heat up your pool water and extend the swimming season. And this pool solar reduces water evaporation so that saves expensive water bills. Moreover, this pool cover can also prevent leaves, dust and debris from accumulating in the water. Please keep your pool covered when you are not enjoying it, which avoids the water temperature from