Food Grade stainless steel used in the inner surface for healthy cooking 188 stainless steel is the most superior stainless steel which is rust free Encapsulated layer of aluminium right throughout the cookware to ensure even heat distribution less cooking time and minimum burning of food SS 430 magnetic stainless steel used as the 3rd layer making cookware induction friendly Unique hexa design which is metal spoon friendly and PFOA free Requires less cooking oil