Robelle 3515-4 Super Winter Pool Cover for Round Above Ground Swimming Pools, 15-ft. Round Pool High Quality 8 x 8 scrim Heavy-duty polyethylene weighs 2.36 oz./yd2 4 foot foot overlap (Includes 4 feet of extra material, making this cover easier to secure) Includes winch and cable which should be used to secure the cover through the reinforced grommets 10 Year Warranty