Robelle 10-Year Dura-Guard Rectangular Winter Pool Cover, 18 x 40 ft. Pool

Heavy-duty 8 x 8 scrim Heavy-duty polyethylene weighs 2.36 oz./yd2 5 foot overlap (Includes 5 feet of extra material, making this cover easier to secure) Includes water tube loops (water tubes sold separately) 10 year warranty Purchase by pool sizeYou may also like Robelle Calcium Increaser Bagged.