Vortex 15.4" Computer Messenger/Backpack. Vertical computer brief offers removable shoulder straps; use backpack straps for hands free carrying. Separate-foam padded laptop compartment. Fold-over flap with velcro closure over main pocket. Black nickel hardware. Front zipper pocket with convenient side-opening access for computer accessories. Main file compartment for folders and documents. 600 denier polyester with fabric lining.