Tough-1 Hay Bale Bag The Tough-1 hay bag is water-repellent, heavy 600-denier polyester/nylon and comes with durable nylon straps. The bag features two easy-to-use grommets for inserting steer head during roping practice. Note: due to a design update the image of the black is incorrect and will match the design of the colors. Features: Full zipper Convenient handles Water-repellent Item Specifications: Size: 42" x 18" x 16" Material: Polyester/Nylon