... ,Grey,etc Fineshes:Natural, Material Type: Black Square Slate Dish (Square Slate Dish,Slate Board)1.Resistant to Acid and pollutants 2 ... .Standard Size: 30X30CM ,25X25CM,20X20CM 4.Usage of Slate: Plate,Dish,Cheese Board,Sushi Set,Table ware,Dinnerware,Hotel ware. 5 ... , we will be always at your disposal. Black Square Slate Dish