Key features

• •PROTECT YOUR POOL DURING ALL WINTER：Inflate the pool cover pillow to 70–80 % of its full capacity so that, as freezing progresses, Our pool air pillow creates surface tension which allows your pool to freeze outside in instead of inside out. The ice expansion squeezes the pillow instead of the pool walls, can protect your pool and pool cover well.
• •MATERIAL: Made of heavy duty thickened vinyl can last for years, not easy to leak or tear by ice, it can withstand temperatures as low as -10℉(-23℃) Fahrenheit. When not in use, it can be easily deflated and folded for storage without using too much space temporarily.
• •PRODUCT INCLUDES: You will receive the inflatable pool cover balloon with a diameter of 4.6 feet (uninflated is size 6 feet) and 4 fixed ropes 157.5 inches long. The large size can better protect the support up to have the pool cover and can better protect the pool.
• •EASY TO USE: just use a common household electric air pump to inflate quickly, inflate the pool pillow to 70%-80% of its full capacity, pass the rope through the four holes of the inflatable pillow, and then place the air pillow in the centre of the pool to fix the rope.
• •WIDE APPLICATION: Our overwintering pool closing pillow are used for all above ground pools such as round, square and oval above ground pools, inflatable swimming pools, spa hot tubs, etc., avoiding damage to the pool due to cold rain, snow and leaf build up in the winter months, and helping to keep the outdoor pool clean.