... printing 1). Materials: 128GSM or 157GSM glossy art paper, chipboard, etc 2). Rings options: Angle D rings, D rings, O rings or ... 3", etc as interior diameter of rings 3). Finish for paper binder printing: Glossy or matte lamination, varnishing, silver/gold stamping ... as book printing, children’s book printing;,paper box printing ;Gift box printing;paper bag printing,gift bag printing,shopping bag ...