Natural Shanxi Black Slabs polished as a mirror, Honed surface can also be a blackboard for your kids ... finishing: Polished, honed, flamed, etc;5. Feature: Floor tiles, Countertops, Vanity Tops, Stair Steps, Wall Tiles, Table Tops,etc.6. Additional ... Function: Natural Shanxi Black Slabs polished as a mirror, Honed surface can also be a blackboard for your kids ...