Touring bag constructed of 600D nylon with a 210D nylon interior lining 3 divided mesh pockets for easy access storage on the side are perfect for quick access items such as nutrition products Large main compartment accessed by a side zipper Velcro straps offer easy installation Velcro Straps 18.1x2.3x4.2` 175 c.i. Black Medium (101-200 c.i.)