China Pink Polished Granite Stair step size:120*300,122*330 Surface:Polished,Honed,flamed Supply ... top, Cut-to-Size, Cobble-stone, Window Sill, Stairs and Step, etc.4) Normal size:Tile:12"X12"X3/8"(305X305x10mm ... ),16"x16"x1/2"(400x400x12mm),16"x16"x3/8"(400x400x10mm), 18"X18"X3/8 ...