Protect your swimming pool: In the cold winter, when there is ice or rain or snow, our inflatable pool pillow helps disperse the pressure of ice and snow on the pool wall and pool cover, preventing ice and snow from accumulating in the center of the pool cover and causing collapse. Easy to Use: Our freeze-proof winter closure pillow is easy to inflate and deflate. Simply inflate the pillow with a household air pump (it is recommended to only inflate it to about 70%), then secure the pool pillow in the center of the pool with a rope. Reliable Material: This pool air pillow is made of PVC, 0.3 mm thick cold material, strong and thick, not easy to be torn by ice, safe to use in winter cold. Size Details: You will receive 1 winter pool pillow that measures 4 x 4 feet before inflated and comes with 2 cords measuring 10 feet in length. When not in use, purge the air from the valve so it can be folded and stored. Wide range of application: Suitable for above-ground pools, such as round, oval, rectangular pools, etc., to prevent rain and snow from accumulating on the pool cover and causing collapse. It can also be used for winter protection in spas, outdoor fountains, furniture covers, and more. Note:1. Please allow a little error due to manual measurement. Please make sure you don't mind before bidding.2. Color may vary due to different monitors, please understand. Note:Hello, please pay attention to your delivery address when purchasing products. If your delivery information (such as name, street, house number, doorbell/mailbox without name, etc.) is incorrect, the order will not be delivered correctly.)