Banjo Brothers 01033 Waterproof Saddle Trunk is perfect when you need huge carrying capacity, but don’t want to add a rack to your bike. Our Waterproof Saddle Trunk has the capacity of many rack trunks but with the flexibility to use on nearly any bike. It has 400 cubic inches of carrying capacity and measures 12.5-inches long, 7-inches high and 6.5-inches wide. The waterproof main compartment has a replaceable welded liner, and an outer pocket for easy access to money or keys. The webbing loop on top makes it easy to attach a rain jacket or other gear. This waterproof saddle trunk also features an interior aluminum strut, a stiff HDPE hull and four-point strapping controls loads.