Food Grade 188 stainless steel used in the inner surface for healthy cooking 188 stainless steel is the most superior stainless steel with the longest life Acidic foods like tamarind or tomatoes will never corrode stainless steel ensuring you hygienic contamination free cooking Tope is Induction Gas compatible heavy gauge Stainless Steel Flat Bottom Multipurpose LAYER 1Food Grade 188 stainless steel used in the inner surface for healthy cooking 188 stainless steel is the most superior stainless steel with the longest life Encapsulated layer of aluminum right throughout the cookware including the bottom and the body This helps in even heat distribution 20 less cooking time minimum burning of food SS 430 magnetic stainless steel used as the 3rd layer making cookware induction friendly The cookware can also be used for conventional cooking as well as is induction friendly Environment friendly Easy to clean and Maintain