Material:Black Slate Plate ( Natural Slate Plate,Slate Board) Color: Black,Rusty,Green,Grey,etc Fineshes:Bushhammmered,Natural Material Type: Black Slate Plate ( Natural Slate Plate,Slate Board)1.Resistant to Acid and pollutants 2.Thickness: 4-6mm,5-7mm,6-8mm,7-9mm 3.Size: 30X30 / 25X25 / 20X20CMslate dish1.Slate Material: Resistant to Acid and pollutants 2.Slate Thickness: 4-6mm,5-7mm,6-8mm,7- ...