... polution material :porcelain size :white 20-50mm we are the largest manufacture of glass marbles and glass stone in China, we export ... , violet, lilac, coffee, porcelain blue, porcelain green, black, porcelain white, pearl white, and an process shiny, metallic color and frosted effect. etcpackagePET ... box, Color box, Absorbed plastic and Plastic woven bag etc. stone