4100 B'Alaska Tail Trunk, Rack Mount, Water Resistant, Tear Resistant made in the USA by Chase Harper. Cinch straps with traditional loop mount ends curve around top of main compartment to accommodate multiple mounting methods and configurations. Constructed without internal stiffeners to help fold and stash bag when not in use with bungee crisscross, adjustable tab-lock, front carry handle for on-the-go use. Highly visible reflective strips on the back of the bag for added safety. Dimensions are: 21"L x 12"W x 9"H and 37 liters (or almost 10 gallons).