... surface 4.Past ISO9001-2008,FSC,SGS,SDS test Grey paper board,grey chipboard1.top grade wood pulp/recycle pulp2.good ... laminated with Black card , white card , kraft paper and many other kinds of paper .E.Grey board color black , white,black and ... smooth grey board. Usagepaper Packaging box Notebook cover Hardcover Hangtag,paper card Poster board Ablum jigsaw and etc.