300D poly two-tone twill,Spacious main compartment,Interior padded laptop compartment,Deluxe organization panel,Zippered fleece-lined top and side pocket for valuables and phone,Zippered front pocket,Zippered water bottle pocket,Air mesh padded back and shoulder straps,Integrated luggage trolley pocket on back,Dimensions: 17.75"h x 10"w (top) x 11.5"w (bottom) x 8"d,Capacity: 1,342 cu. in./22 L,Weight: 1.31 lbs./0.58 kgs,Laptop sleeve: 11"h x 11"w; fits most 17" laptops,Note: Bags not intended for use by children 12 and under.