Goplus Pool Cover, 16 x 32 FT Solar Blanket 12 Mil with Carrying Bag for In-Ground and Above-Ground Swimming Pools, Rectangle Hot Tub SPA Thermal Blanket, Blue BubbleBrand: Goplus Color: Blue Features: Extend the Swimming Season: Built with thousands of tiny bubbles, this pool cover effectively collects solar energy to heat up the pool water, which is able to raise water temperature up to 14 27(8 15) depending on the environment. At night, covering your pool with this heat retaining blanket will avoid the water temperature from dropping too much. Keep Water Clean & Minimize Evaporation: Using this pool cover can