The topeak mtx trunk bag ex amp exp is a medium sized premium trunk bag with large side pockets or roll out panniers topeak mtx trunk bag ex amp exp 600 denier polyester dupont teflon coating for superb weather resistance insulated main compartment integrated bottle holder elastic top bungees 3m reflective strip for safety built in carrying handle detachable shoulder strap quicktrack mount for mtx racks exp 36x25x215cm 166l 1195g ex 35x21x