4 ft. Black Double-Chamber Heavy-Duty Water Tubes for Winter Swimming Pool Covers (4-Pack)

Pool Mate 4-ft. Winter Water Bags should be placed around the perimeter of your in-ground winter swimming pool cover. Simply slide these winter water bags through the water bag loops included on your winter pool cover. These water bags include leak-proof valves that are easy to fill with a garden hose. Only fill the water bag half-way . this prevents ice from expanding and splitting your water bag. Pool Mate water bags feature a dual-chamber design . preventing the tube from rolling into your pool during the winter. Made with Heavy-Duty 16-Gauge vinyl.