quilted cotton Exterior two side slip pockets, u-shaped front zip compartment, hidden back zip pocket front zip pocket Front u-shaped zip compartment contains 4 slip pockets, 3 pen slips & ID window Main compartment 2 mesh slip pockets Padded laptop compartment Zip closures up to a 15" laptop Capacity 25 L. 12.0" w x 16.5" h x 7.5" d with 32.0" adjustable strap and 2.75" handle drop Lunch Exterior ID window Interior slip pocket Zip closure. 7.5" w x 9.0" h x 4.25" d with 2.0" handle drop