Cementum Dark Grey Matt Ceramic Wall Tile: 130x130 mm, 9.5 mm thick. Ceramic tile with matt finish, durable and easy to clean. Deep grey cement-look design. Gives interior walls a strong, modern look. Length - 130mm Width - 130mm Thickness - 9.5mm Check: 30 tiles x 0.0169 sq m = 0.51 sq m per box.