... 3)13years experience The new design art natural stone clock Material:100% natural marble, granite, sandstone, travertine, limestone,slate ... , Tiles, Skirtings, Window sills, Steps & Riser stairs, Paving stones, Cubes, Mosaic & Borders, Sculptures and MonumentsThickness10mm, 20mm, 30mm, ... elegant ,so it is a ideal kind of modern decorative stone.Quality ControlThickness tolerance for tile: +-0.5mm ...