Pigeon Elite Tri-Ply Tope is made with high quality three-ply material which is basically three layers sandwiched together. The inner layer of stainless steel, middle layer of aluminum and an outer layer of stainless steel. The combined 3 layer body makes the cookware compatible to any type of heat resources, evenly distributes the heat, longer heat retention, easy to clean and if you are one of those who worries about their family's health and wants to adapt to healthy living, Pigeon's triply cookware is a great way to start becasue it requires less oil and deson't react to food