This 100% waterproof travel bag has all the advantages of an easy to use dry bag: its flexible and variable packing volume adjusts to any situation and takes all the gear for travelling and sports. The roll closure with stiffener bar has its roots in stuff sack technology. It fits perfectly into bike trailers and sizes S or M can be combined with ORTLIEB Back- and Front-Rollers Plus and Classic on the rack for bike touring. This robust multi-talent bag is also good on motorcycles. Comfortably carried with adjustable padded shoulder strap and carrying handles. Rack-Pack is available in four sizes. Roll closure with stiffener bar Compression straps Buckles for combining with bike panniers DimensionsHeight: 30 cm | 11 inch Width: 54 cm | 21 inch Depth: 27 cm | 10 inch Volume: 31 L | 1891.7 cu inch Weight 760 g | 26.8 oz