China White Marble Stairs Usage:bathtub,step,border,slab,tile Size:12"x12",16 ... tiles ect.Thickness(mm)10, 12, 15, 20, 25, 30, 50 etc or as per customers' requirementsHardnessExcellentColor DifferenceLowCategoryChinese natural stoneDensity2-3g ... outdoor construction, such as floor, elbowboard, wall decoration, skirtting board, stairs, facade, squares, hotels, parterre, villas, parks, parking lots and ...