Robelle 392550R Supreme Plus Winter Pool Cover for In-Ground Swimming Pools, 25 x 50-ft. In-Ground Pool Commercial grade 12 x 12 scrim Premium polyethylene weighs 3.26 oz./yd2 Heavy duty 2 inch binding prevents against wear and tear 5 foot overlap (Includes 5 feet of extra material, making this cover easier to secure) 15 year warranty