Triply cookware in a pressure cooker refers to a pressure cooker made with three bonded layers of metal for better safety and cooking performance. The inner layer is food-grade stainless steel, which is safe and non-reactive. The middle layer is aluminum, which ensures fast and even heat distribution. The outer layer is magnetic stainless steel, making the pressure cooker strong and c... https://www.omichef.com/collections/pressure-cooker