Hay Bale Storage Bag for Large Horse Hay Bales Heavy-duty Bale Bag from coated nylon for durability. Keeps hay dry and minimizes flake loss. Strong nylon with a 3-sided zippered top to make bale loading a snap. Keeps you horse trailer and truck clean and neat and all those alfalfa leaves together) 47 long x 19 wide x 16 1/2 tall. Holds a 2 wire bale. For 3 wire bale (add 4.20) 49 long x 24 wide x 19 tall Pictured Brown.