... gsm, 300gsm, 350gsm)Coated paper / Art paper (128 gsm, 157 gsm, 200 gsm ,250 gsm, 300 gsm)Duplex board with grey back (250 gsm, 300 ... gsm, 350 gsm, 400 gsm)Grey paper (250 gsm, 300 gsm ... per carton. Or follow your advice.Quick box:Material: Ivory board, 128 gsm, 157 gsm, 180 gsm, 200 gsm, 240 gsm ...