spacious main compartment, inner pocket, waterproof wrap closure, roll closure can be closed upwards and downwards, detachable shoulder strap, shoulder strap can also be used as a tensioning strap, reflective logo, easily adjustable QMR 2.0 fastening system, QMR lockable, QMR 2.0 fastening system fits round luggage carrier tubes with diameters of 8-16 mm