Triply Stainless Steel Kadhai (Induction Base)LAYER 1 Food Grade 18 8 stainless steel used in the inner surface for healthy cooking. 18 8 stainless steel is the most superior stainless steel which is rust free LAYER 2 Encapsulated layer of aluminium right throughout the cookware to ensure even heat distribution, less cooking time and minimum burning of food. LAYER 3 SS 430 magnetic stainless steel used as the 3rd layer, making cookware induction friendly. Requires less cooking oil Riveted sturdy