VEVOR Pool Cover Water Bags Set, 6 Packs 8 Ft Single Chamber Pool Cover Water Bags & 4 Corner Tubes, 0.4mm Thick PVC Bag Weights with Leakproof Valve, for Winter Inground Swimming-Pool Covers — Open-Box, 44% Off

Complete Pool Cover Kit: This 6-pack of 8 ft x 0.67 ft pool cover water bags with 4 corner tubes (2 ft x 1.85 ft) provides full-edge and corner anchoring for your pool cover. It enhances wind resistance, keeps out leaves and debris, and ensures your pool cover stays secure during harsh winter months—saving you cleanup time and effort.

Thickened PVC Material: Made from 0.4 mm thick, flexible PVC, these inground pool cover water bags are built to resist impact, sun exposure, and wear. Once filled, they offer stable weight that holds your cover firmly in place. Fill to 50–70% capacity to leave room for expansion and avoid damage from temperature changes—perfect for all-season use.

Reinforced Welded Seams: High-frequency heat-sealed edges with a 0.59-inch seam width offer exceptional leak resistance and durability. Designed to withstand intense sunlight and freezing temperatures without cracking or aging, these pool cover water tubes deliver long-term performance.

Twist-Lock Leakproof Cap: The swimming pool water bag features an easy-to-use twist cap with a built-in rubber gasket for a tight seal—no leaks, no hassle. The cap stays tethered to prevent loss, offering better sealing and ease of use than traditional snap caps. Tip: Slide the retaining ring to the base of the spiral before filling for optimal sealing.

Single-Chamber Convenience: The streamlined single-chamber design allows for quick filling and easy positioning. Whether you're working alone or with help, setup is fast and efficient. These pool cover weights water bags make routine pool maintenance simpler and more manageable.