Nanjing Godroc Commerce Co., Ltd is specialized in producing and manufacturing PVC plastic products including Stamp Stock Books, Stamp album Pages, Stamps Bags, Stamp albums, glassine paper bag products like Glassine Bags, Glassine Paper Envelopes. The materials we use for the outer layer are usually natural tan, white Kraft, or white clay coat; Inner layer are glassine or assorted PP, PVC, OPP, depending on your product needs. Our main products are PVC Stamp album Pages, Stamp Stock Books, Stamp Bags, Glassine Paper Bag, Glassine Envelopes