<p>This  Winter Above-Ground Pool Cover  works great for keeping your pool in amazing condition during the winter months, and it will also make getting your pool back into shape in the Spring even easier. Winter Above-Ground Pool Covers are designed to prevent wind-blown dirt, debris and leaves from entering your pool, so you can get back to swimming with less hassle and faster. This winter above-ground pool cover has been treated to provide maximum resistance to damaging ultraviolet rays and increase longevity of your pool. This  Winter Above-Ground Pool Cover  is made of laminated polyethylene sheeting woven with thick, high-density polyethylene stitching ensuring superior tensile strength and durability. Winter above-ground pool covers feature a ratchet and cable system featuring high-test vinyl-coated cable.Pool Size: Fits 24' Round Pools.</p> <p>The Swimline Air Pillow is the ultimate companion to any winter pool cover. This Swimline air pillow will keep your pool and cover safe from ice in the winter months because it helps to keep water off of your pool cover, and it also helps to make sure your cover won't freeze to your pool water during the cold off-season.Measures: 4' x 8' </p>