Topeak mtx trunk bag dx medium capacity trunkbag featuring a divided main compartment and two zippered side pockets constructed with using the new topeak process that combines rigid molded panels with flexible 420 denier nylon fabric for rigidity and water repellency fits all topeak mtx quicktrack system racks features shoulder strap carrying handle 3m reflective strip redlite clip elastic top bungees specifications size l x w x h 36 x 24 x 20cm material 600 denier nylon insulation m