... 3.unique each pc 4.eco-friendly tile 5.backside calibrated finish Natural slate tile size 30x30cmx12mm (12"x12")size and thickness ... so on.Split and honed surface supplied are available. Slate tile is one traditional and classic kind product in both Europe ... choice for patio, garden flooring, and walkway, wall décor, front stoop, garden;3)Colors: black, black rusty, yellow, tan, rusty ...