Features 1、SUPERIOR WINTER PROTECTION: Pool air pillows serve as ice compensators, absorbing the pressure from freezing and expanding water, ultimately protecting your pool and cover from winter damage. Ensure your pool is protected during the offseason! 2、ENHANCED POOL COVER LONGEVITY: Air pillows stay under your cover, creating space that prevents water and debris accumulation in the center of your pool, extending the lifespan for your pool cover, saving you replacement costs and time. 3、EFFORTLESS INSTALLATION: With a large valve opening for easy inflation, these air pillows simplify and speed up your pool winterizing process, letting you secure your pool quickly and efficiently. When prepared, it easily deflates for storage. 4、MULTIFUNCTIONAL: In the summer, you can use it as a life preserver for your pool or a swimming thing for kids, or your pool pillow. In winter it becomes an effective accessory to protect your pool. 5、STRONG CONSTRUCTION: Crafted with heavy duty, puncture resistant material, our air pillows are designed to withstand the harshest of winter conditions, ensuring continual protection of your pool. Easy to wipe down, deflate, and store also. Specifications Item Type: Pool Air Pillow Product Material: PVC Package List 1 x Pool Air Pillow 4 x Rope