Pool Cover Water Bags, 5 Packs 8 Ft, Double Chamber Pool Cover Water Tubes, 0.4mm Thick PVC Bags Weights with Leakproof Screw Cap, for Inground Swimming-Pool Covers Winter Closing, Blue

Each 93.7 x 11.81 inch pool cover water tube is purpose-built for winter, helping secure your pool cover through harsh weather. Designed to prevent leaves and debris from entering the pool, these water bags for pool cover keep your pool clean and cut down on maintenance time all season long.

Built with reinforced PVC, the pool cover water tubes resists tearing and stretching. Once filled, it provides solid ballast and remains intact—even after multiple repositionings—making it ideal for long-term outdoor application.

Includes an integrated threaded twist valve for smooth, leak-proof operation. The widened opening fits most garden hoses for easy filling, while 0.59-inch heat-welded seams offer secure sealing and minimize leakage. Dual chambers prevent rolling in strong winds, improving stability.

To ensure a tight seal, slide the retaining ring fully to the base of the spiral threads before filling. Improper placement may lead to leaks or bag displacement during use.

Built to handle extreme sun and cold, the pool cover weights water bags won't crack under heat or harden in freezing temperatures. Reliable for year-round outdoor use.