... customized 2)Low water absorption 3)13year ,8years export Various color choose project slate Material:100% natural marble, granite, sandstone, travertine ... , Tiles, Skirtings, Window sills, Steps & Riser stairs, Paving stones, Cubes, Mosaic & Borders, Sculptures and MonumentsThickness10mm, 20mm, 30mm, 20+20mm laminated, 30 ...