Pool Mate 8 ft 5Pack Deluxe Black Double Chamber Pool Water Bags 42 MM Thick Vinyl Cover Weights Water Tubes

5Pack Black Deluxe 8 ft Double Chamber Pool Cover Water Bags for Winter Pool Closing Deluxe 42 MM Thick Vinyl constructed 163 heavier than industry standard Since 1999 Pool Mate has been making the best products to close your pool Use the best pool closing products designed with over 25 years of experience Prevents Winter Pool Cover From Falling Into Pool Double Chamber Design Prevents Rolling Fill Halfway With Water to Allow For Ice Expansion If you have trouble closing the valve please use a hair dryer to loosen before closing.