Cardboard for cups Substance: 230 gsm, First side: lamination; second side: white (whiteness: from 91 to 100 percents) , no lamination. Cardboard for greeting cards Double blade coating of face side. Unary blade coating of second side. It is made of pure cellulose. Whiteness: from 91 to 100 percents. Gloss: 50 percents. Substance: 215 gsm, thickness: 300 micrometers; Substance: 240 gsm, thickness: 350 micrometers.