... radiation pollutions 3:Low water absorption 4:Rich in vein Green mushroom slate: TypeSlate mushroomSize30x60cm, 30x15cm, 20x40cm, 20x10cmColorBlack ... , green, rusty,greyThickness12-20mmPackageWooden, crateFinishingMushroom Mushroom slate is a kind of natural material and very ... and simple style. It looks like the mushroom and symbolizes the classic culture. According to ...