【Protect your Winter Cover】-The pool cover bags are made of The water tube helps keep your swimming pool winter cover in place during all snowfall season. Fit for your in-ground rectangular or above pool cover.
【Premium Material】- Each of our water tubes are made of heavy duty 0.3mm thick vinyl material thicker than 90% of pool water bags on the market. Upgraded leak-free valves keep water pipes from leaking and breaking throughout the winter. Double water tube has extra weight capacity,33% heavier than other water bags, making it super durable.
1. **Instructions for Usage** - Fill the water bags to about half or three-quarters full to accommodate the expansion of water when it freezes in winter.
2. The leak-proof valves are compatible with various garden hose sizes.
【Guaranteed Service】-If you have any questions, please feel free to contact us, we will reply within 24 hours. Your satisfaction is our motivation.
【Package content】-10 Pack 8 Foot Double Chamber Water Bag