For use with all In-Ground pools, Kayak, Fanta-Sea and other On-Ground Rectangular Pools. Dollar for Dollar You Won't Buy a Better Cover! Made from polyethylene fabric that is the toughest, most durable material available. It has been time tested and it will not crack, split or tear from the cold. Covers are lightweight, which makes them easier to put on and take off your pool; in addition they take up less room to store. "Hold-tite" reinforced seams will last longer. They won't rip, fray or come apart. Competitively priced... we dare you to compare! Double stitched & triple thick hems using UV resisted nylon threads Brass grommets every 4 feet for extra securing options Triple laminated for extra strength Extra heavy water bag loops every 4 ft.to keep your waterbags in place Ultraviolet light inhibitor to protect against the suns damaging rays 5 ft. overhang Covers have an 12x12 scrim per square inch 15 year warranty (5 years full)