Military backpack-1000D nylon fabric, pu coating, nylon webbing,YKK zipper, Brass metal part Military backpack:(1)the main bag(2)the cover(3)the external bags(4)set of 3 cases(5)strips of strengthening and attachment ,cushion of the attachment of the metallic support.(6)place to stick the label,utilitarian belts,right and left suspenders. Military backpack