Riess Premium Email is glass on steel, inextricably linked in the kiln, it consists of natural materials and has many positive properties: healthy and aroma-neutral, energy-saving cooking thanks to the perfect heat conduction of the iron in the floor and walls, suitable for induction and usable for all types of stoves thanks to the Iron core, easy to clean, extremely cut and scratch resistant, heat resistant up to 450 ° C, harmless to nickel allergy