Supplier: Kraft liner board (100 to 275 gsm) kraft top liner (100 gsm) white top kraft liner (135 to 175 gsm) kraft paper and board (80 to 800 gsm) duplex boards (230 gsm & above) Greaseproof papers (food grade for wrapping and paper bags) virgin kraft (60 to 120 gsm) mg kraft (32 to 80 gsm)