1,usage: Tile, Slab, Countertop, Vanity tops, Stairs,Moding, Mosaic,Pattern,Column, Pillar 2.High hardness 3,white ... inside and outside, Main Products: Tile, Slab, Countertop, Vanity tops, Stairs, Moding, Mosaic, Pattern, Column, Pillar, etc.Size:1.For countertop ...