This 2-liter bag has a unique and versatile mounting system that allows you to easily remove it from a separate base and take your tools directly to the job. Made of durable Cordura nylon, high quality webbing, sturdy Duraflex buckles and YKK zippers. All seams are bound and reinforced.  Includes mounting base with velcro bag attachment. Since rear fenders vary greatly between brands, MOUNTING HARDWARE IS NOT INCLUDED.  Color: black  Dimensions: Length: 8" Width: 5-1/2" Height: 4"