High Sierra Chip Messenger Bag,16 x 11.5 x 4.5-Inch,Black/Covert Large main compartment; Extra-wide adjustable shoulder strap Handy mesh beverage compartmenton one side; Side zippered MP3 player pocket withheadphone grommet; Premium organizer with pen pockets, key fob Adjustable protective flap with quick-release buckle and hook/loop closure Shiny Mini-Waffle Weave material design Padded computer sleeve with framesheet;adds structure and protects most15" (screen size) notebook computers