Triply cookware is made using three bonded layers of metal. These layers are permanently fused together to form one strong cooking surface. Typically, triply cookware consists of: Inner layer: Food-grade stainless steel Middle layer: Aluminum core Outer layer: Magnetic stainless steel This unique three-layer construction allows heat to spread evenly across the entire utensil, unli... https://www.omichef.com/collections/triply-cookware