Swimline 28' ft Round Swimming Pool Winter Cover + 3) 4x4 Air Closing Pillows Pool Size: Fits 28' Round Pools 3-4 Foot Overlap (cover size is 3-4 ft larger than pool size) U.V. Inhibitors Protect the Cover From Sun Damage Polyethylene construction makes it highly resistant to punctures, tears, chlorine stains and other chemical stains Color: Dark Blue Top/Black Underside