The back-pack CARHARTT WIP "Philips Backpack Black" is composed of 100% of Polyester Duck Canvas. 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.