VEVOR Solar Pool Cover, 18 ft Round Pool Bubble Cover, 16 Mil Pools Solar Blanket with Bubble & PE Material, Daytime Heat Absorption, Nighttime Heat Retention, Heat Retaining Solars Covers, Blue

Enjoy Longer Swims: Keep your pool warm with this 18ft/5.49m bubble solar blanket, 16 mil thick. It extends your swimming season by maintaining a comfortable water temperature. Easy installation and...