The Mushroom Slate is a kind of natural material and very popular in the world, it is processed by hand, using a mallet and slate chisel produce rough edges. Bringing us ancient-looking and simple style.It looks like the mushroom and symbolizes the classic culture. According to the demand of our client, we make the mushroom slate with any kind of colour. Now we provide over 5 colors and standard size for your selection. Available Sizes: 100mmx200mm 4'' x8''(inches) 200mmx400mm 8'' x16''(inches) 300mmx150mm 6'' x12''(inches) 300mmx300mm 12'' x12''(inches) 300mmx600mm 12'' x24''(inches) Top Face Riven, Back Grounded Thicknesses: 10mm-15mm and 15mm-20mm.