The Supreme Guard Winter Cover is designed to stand up to winter after winter of ice and snow! You can feel the quality in Supreme Guard! And it is backed up by a 10-year manufacturer's pro-rated warranty. This lightweight, solid rectangular inground cover with 12 x 12 black scrim is made from ultra-violet inhibited, woven triple-laminated polyethylene. The Supreme Guard comes with grommets and water tube loops every four feet and everything you need to attach it easily and securely.