It is made of cast iron, the solid cast iron surface can be 100% cycling used, the ceramic glaze then be fired through 950 high temperature, it has the following features: oil rub resistance, easily washing, able to endure acid and alkali, innoxious, no radioelement, never be deformed etc.. Material: cast iron, enamel Model: ZYA-18 Size: 1500*800*420mm Colour: White and biscuit (between yellow to white) Antislip or not