ETHICAL TRI-NATURE Platinum triply stainless-steel series is made up with SAS technology, which is a triple layer construction of stainless steel, aluminium and stainless steel. LAYER 1- the inner surface 18/8 stainless steel is the most superior stainless steel with the longest life. LAYER 2-Encapsulated layer of aluminium including the bottom and the body helps in even heat distribution, 20 % less cooking time, minimum burning of food, faster cooking. LAYER 3-SS 430 magnetic stainless steel used as the 3rd layer, making cookware induction friendly conventional cooking as well as is induction friendly. Hand Crafted for Indian Kitchens with stainless steel interior, easy to use ensures that these don t use a lot of oil for deep frying crispy purl s, hence promoting better health.