Topeak trunk bag rx dxpthe rx dxp trunk bag from topeak features an expanding capacity main compartment with two side panniers and a multifunction top pocket perfect for commuting errands and touring made for lighter more compact loads the rx dxp is quicktrack compatible and will fit rx mtx racks features material600 denier polyester with dupont teflon coating aerodynamic rigid foam walls 3m reflective strip built in carrying handle and shoulder strapsafety light clipelastic top bungees