Our Ultimate Above Ground winter cover provides tremendous value for your pool closing regimin. You truly get a quality constructed cover with a poly binding around the outside of the cover for even greater durability. It also sports water tube holding straps made from the same heavy duty poly binding. Made with some of the strongest and most tear resistant material available. This winter pool cover features rugged U.V. stabilized woven polyethylene that protects it from sun, snow, wind and ice. It features a black underside to retard algae growth and heat sealed seams. This rugged winter cover is built to last and we believe you will not be disappointed. Our Ultimate Winter Cover is Silver with a black underside and features a 15 year(3 year full) prorated warranty against defects in workmanship.