Auto shaped wedge pack with easy to use quick release mounting system external zipped pockets keep tools away from tubes and delicate items suggested use medium mtb small road topeak aero wedge dx with quick clip features bull includes standard saddle rail fixer bull 3m reflective strip redlite clip bull dimensions 114 x 216 x14cmlarge96 x 203 x 127cmmedium71 x 178 x 109cmsmall66 x 148 x 81cmmini bull material 1000 denier nylon dupont teflon coat