Swimline 24' Round Above Ground Pool Cover w/ 4'x8' Air Pillow + Winterizing Kit NEW 24' Round Winter Above Ground Pool Cover Pool Size: Fits 24' Round Pools U.V. Inhibitors Protect the Cover From Sun Damage 3-4 Foot Overlap (cover size is 3-4 ft larger than pool size) Highly resistant to punctures, tears, chlorine stains and other chemical stains