High-quality material: The winter swimming pool air cushion is made of high-quality thick PVC material and adopts a double-sealing design, which is not easy to leak or break due to ice. It is specially designed for cold winters and is an excellent companion for your swimming pool. [2-piece set of swimming pool air cushions]: You will get 2 inflatable swimming pool air cushions, the size is: diameter 120 cm / 47.2 inches, height 55 cm / 21.65 inches. The cold weather in winter can cause the water in the swimming pool to freeze, and our swimming pool air mattress can help you disperse ice and reduce pressure on the pool walls. It effectively protects the walls and covers of above-ground pools from the pressure caused by ice expansion. [Winter Accessories for Swimming Pool Air Cushion] There are 4 holes on the edge of the swimming pool mat. The package comes with 2m and 15m ropes, which can be connected to the swimming pool with ropes. This ensures that the air mattress does not move in the water and that the ice pressure is evenly distributed on the swimming pool when it freezes. This swimming pool seat cushion is retractable and reusable.