CARHARTT WIP Gard Backpack Black. Backpack made from 100% polyester Duck Canvas. 44 x 29 x 15 cm / 17.3 x 11.4 x 5.9 inch. 19.1 liter. Water repellent fabric. Lined. Closed by drawstring and flap with clickers. Padded back and shoulder straps. Padded laptop pocket inside. Square label on front pocket. Flag label on shoulder strap.