This streamlined pack has a modern, heathered fabric and keeps your laptop and other must-haves organized and secure. 600 denier heather polyester, 300 denier polyester canvas Roomy main compartment Large office compartment Side-entry, padded laptop compartment Air mesh padded shoulder straps Large front side zippered pocket for easy decoration Luggage trolley strap on back Laptop sleeve dimensions: 17.5'h x 12.25'w; fits most 15' laptops Dimensions: 17.5'h x 12.25'w x 4'd; Approx. 858 cubic inches