Wolfman Luggage&nbsp;Overland Duffel - OD501 It is a sophisticated motorcycle tail trunk bag with included mounting straps. Off the bike, it can be carried as a traditional duffel, a suitcase, a shoulder bag, or even a backpack. t is just the right size to fit into the overhead bin on airplanes. Built in the USA with legendary Wolfman care and Quality. Dimensions: Length: 15 / 38 cm Width: 20 / 50 cm Height: 9 / 22 cm Capacity: 45 liters, or 2745 cu.in.