·Protect Winterized Pool: Inflate the pool pillow to 50-70% of its full capacity so, as freezing progresses, the impact of expansion goes to squeezing the pillow instead of into the walls. 4 x 4 Ft Pool pillows for above-ground pools can protect above-ground pool walls and pool covers from pressure caused by expanding ice. As a support for the pool cover, it reduces the build-up of leaves, snow, and dust and prevents collapse. What a wonderful winter pool pillow for closing the pool!

·High-Quality Materials: Double layer valve and 0.4 mm ultra-thick, cold-resistant PVC material, Our Winter Pillow with Double sealing technique, with a dual valve and it won’t leak, tear, or deflate throughout the winter. designed to withstand sub-zero temperatures. The pool air pillow is the first choice for you to protect your pool in the cold winter. The valve is suitable for most blowers, and inflatable pumps.

·Keep Pool Pillows in Place: The pool cover pillow is designed with 4 reinforced grommets, and equipped with a 50 ft rope, so you can center the air pillow for above-ground pools in the pool by using the rope, allowing the rope to be slightly loose. Make your winterizing setup perfect!

·Note: Please do not over-inflate. Please close the 2-stage valve caps tightly to avoid air-leaking. Easy To Install and Inflate and deflate with ease.

·Safe For You: The set includes a 4ft*4ft pool pillow for winterizing, a 50ft rope, and instructions. All materials of the product have been tested in accordance with product testing and standardized material specifications to ensure product quality and safety. If you have any questions, please feel free to contact us. we will provide you with a satisfactory solution within 24 hours.