LUTER Pool Pillows, 3.5ft x 3.5ft Inflatable Pool Pillows with Ropes, Ice Equalizer Pool Winter Pillow Swimming Pool Air Pillow for Pool Above Ground Pools Winter Covers (Round) - E21056

• Winter Pool Protection: Pool air pillow can create surface tension while relieves the pressure on the sides of pool due to freezing temperatures, so your pool won't leak or crack. It will push your pool cover out of the water so water won't freeze on your pool cover. And it will also reduce winter cover from excess rain, snow and leaves. Product Size: Inflatable pool pillow is 107x107cm/3.5x3.5ft, This pool winter pillow is suitable for round, oval and rectangular pools, you can use them according to your actual needs. Durable Material: Our swimming pool air pillow is made of thicker high-density PVC material, making this pool pillow stronger and more durable, cold-resistant, can protects your pool all winter. Reinforced Grommets: The pool pillow has 2 reinforced grommets in the corners to keep the pool pillow in place in the center of the pool. And you can tie it to your swimming pool easily with included ropes. 2 in 1 Leak Valve: The pool pillow can be easily inflated by an electric air pump or other pumps. Inflate the pool winter pillow to 60% to 70% of their capacity to allow compression. And please press the valve of the pool pillow tightly to avoid air leakage.