This saddlebag is a zip-off bag with a heavy duty Velcro cover and lock. It has a universal fitting, a hard sheet Inside the box with 4 pockets, and heavy duty quick release tabs. The set is 100% waterproof, has tie-down ribbons on each side, and is UV protected so will not turn white in extreme heat. The bag holds its shape. Outside pockets on the side are handy. Artificial leather. 15" x 6.5" x 12.25"