... safe Different design,round, square size 30x20cm Natural black slate board which can be used kitchen , food safe, long durability, ... slate board Size : 300X200mm or as per yours etc.Thickness: 5-7mm or 6-8mmMaterial: natural slateFinish: surface natural split, cutting ... edgesWe also take OEM orderColour: Black, Grey, Green, Rustic, etc.Packing: In box or in carton. Natural black slate board