Description of Gravis Metro Daypack The ideal pack for school or traveling, the Gravis Metro Backpack features a cell phone pocket, laptop compartment and plenty of organizer pockets. Features: Durable nylon with PU2 backing 210D nylon heat-embossed lining Front pockets with interior stretch neoprene and mesh organizing pockets Main compartment interior organizing pockets Separate computer pocket with neoprene cradle holds up to 17" laptop Laminated ergonomic shoulder harness with wicking mesh Detachable cell phone pocket 31 liter volume Dimensions: 52 X 30 X 20 CM