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【Designed to Withstand Cold Winter Temps】Pool Pillows for Above Ground Pools is made from ultra-strong, Super durable, 0.4mm thick, cold-resistant PVC material. Designed to withstand sub-zero temperatures, this pool pillow will cope with the cold as bad as −10° F (−25° C).
【Protection For Your Pool All Winter】Pool Winterizing Pillow with sealing technique and embossed, cold-resistant material, means that it won’t leak, tear, or deflate throughout winter. Inflate the pool pillow to 60–70 % of its full capacity so that, as freezing progresses, the impact of expansion goes to squeezing the pillow instead of into the walls. It can protects above-ground pool walls and pool covers from pressure caused by expanding ice.
【Easy to Inflate Pool Pillow】Pool pillow features a unique, dual Boston valve, allows inflating and deflating 5X faster. Please press the 2-layer lids tightly, remains closed & prevents leakage. Just unscrew to deflate in seconds.
【High Quality】4' X 4' pool pillows for above ground pools is made of 0.40mm thick high-density cold-resistant material,all materials of products have been tested in accordance with product testing and standardized material specifications to guarantee product quality . Unlike the general thickness in the market is 0.15mm, easy to air-leaking and cannot last the cold winter.
【Stays in Place 】The pool cover pillow designed with 4 reinforced grommets at corners to keep the pool pillow in position at the center of the pool –Just slip the included 2x16.5 feet rope through and tie the pool pillow to your pool.

Product description

4' X 4' Pool Air Pillow for Above Ground Swimming Pool

0.4 MM Thick Material

With ultra-strong, super durable 0.4 mm thick flexible cold-resistant pvc material stays inflated throughout the entire winter.

Unique Dual Layer Valve

The dual Boston valve on this winter pool pillow is easy to inflate and deflate,with high airtightness.

4 Reinforced Grommets

Built with 4 reinforced grommets at corners to keep the pillow in position at the center of the pool .