100% Recycled Polyester Canvas, 11.25 oz 56 x 30.5 x 34 cm / 22 x 11.8 x 13.4 inch 58 liter water repellent unlined main opening with two-way zip closure front pocket with two-way zip closure handle straps on each side adjustable and removable padded shoulder strap interior pocket with velcro closure handle straps at each side sqaure label