- [Strong and Super Durable] Vinyl with a thickness of 0.40 mm (27 gauge) is significantly heavier, more stable than other materials, and has a long lifespan.
- [Highly Flexible and Cold-Resistant Material] Using our pool cover water bag makes it easier for your in-ground pool to survive the winter. keeps the winter cover from falling into the pool.
- [Fill Halfway with Water to Give Space for Ice Expansion] To allow for ice expansion, fill halfway with water. If the valve is difficult to close, try using a hair dryer to make it more loosen before closing.
- [Easy to Fill] You can use a garden hose to fill water. When adding hot water, please keep the water's temperature below 180°F (80°C).
- [No-Leakage] You don't have to worry about leakage, as our winter poor cover corner water bags meet all your needs.