The bag pack CARHARTT WIP "Philips BackPack Hamilton Brown" is composed of Polyester Duck Canvas at 100%. 50 x 30 x 10.5 cm / 19.7 x 11.8 x 4.1 inch. 18.8 liter. Water repellent fabric. Main compartment with zip closure. Large front pocket with flap and Velcro closure. Padded laptop pocket. Hidden zip opening at back side. Square label on front pocket. Flag label on shoulder strap.