... ,FSC,HSPM certificated. Paper Packaging Box Specification: Material:Ivory board(250 gsm, 300gsm, 350 gsm)Coated paper(128 gsm, 157 gsm ... , 300 gsm)Duplex board with grey back(250 gsm, 300 gsm, 350 gsm, 400 gsm)Grey paper(600 gsm, 900 gsm, 1200 ... ,please include detailed information about your business,the reasons for your request and your preferred mothod of shipment.Competitive advantages:We were ...