... Board (Black Slate Board,Slate Board) Color: Black,Rusty,Green,Grey,etc Fineshes:Bushhammmered,Natural Material Type: Natural Slate Board (Black Slate Board,Slate Board ... )Slate Plate1.Resistant to Acid and pollutants 2.Thickness: ... ,20X20CM 4.Usage of Slate: Plate,Dish,Cheese Board,Sushi Set,Table ware,Dinnerware,Hotel ware. 5. ...