600D poly canvas (solid); 600D heather poly (heather); Main compartment with padded laptop panel; Interior organization pockets; Front zippered pocket; Exterior side pocket; Padded air mesh shoulder straps; Luggage trolley pass through on back; Laptop sleeve dimensions: 11.5"h x 12"w x 1"d; fits most 15" laptops; Dimensions: 17.75"h x 12.25"w x 5.5"d; Approx. 1,196 cubic inches; Note: Bags not intended for use by children 12 and under.