100% Polyester Imported Convertible backpack tote bag can be worn as a backpack or or carried as a tote bag; clever carry strap system allows quick and easy conversion Constructed from heavy duty fabric with Rain Defender durable water repellent Large zippered main compartment with internal padded laptop sleeve and two additional internal pockets Two exterior slash pockets and one secure exterior zippered pocket to keep cell phone or keys safe Carhartt convertible backpack measures 17h x 14.5w x 3.5d inches, and weighs 1.5 lbs.