Winter Pool Pillow Durable Thickened Cold-Resistant Pool Cover Floating Air Bag. Pool Air Cushion is made of high-quality PVC material, so it is thick, strong, durable, tear-resistant, waterproof, and cold-resistant. It can protect your pool in winter, and reduce snow, leaves, and dust on the pool. Generate Surface Tension: Winter Pool Pillow can create surface tension and relieve pressure on the sides of the pool due to freezing temperatures, so your pool won’t leak or break. Protect Your Pool: Air Pool Pillow can protect your pool in winter, reduce snow, leaves, and dust on the pool, and slide the pool cover off the water to prevent water from freezing on the pool cover. Specification: Material: environmentally friendly PVC Large air size: about 20025090cm/6.568.202.95ft Small size: about 18023090cm/5.917.552.95ft Color: as shown in the picture. Packing List: Inflatable swimming pool pillow 1 The rope 4 Notes: 1. Due to the different display and lighting effects, the actual color of the product may be slightly different from the color shown in the picture. Due to manual measurement, please allow a measurement deviation of 1-3cm. An unpaid case will be filled after 4 days.