Detailed Product Description D ring Binder with box packingdouble side full color printing and laminated, printing according ... .5mm rigid cardboard 2) surface: 128/157gsm gloss coating paper with Full color printing and matte/gloss laminated, both side according ... ) Printing technique: CYMK, option: PMS color, golden/sliver foil stamping5) ring: 2D, 3D,4D, 2O,3O, 4O nickel plated steel ...