The strength & beauty of stainless steel with the conductivity of aluminum for fast & even heating features high, straight sides to assist with stirring a smaller surface area to hold heat and limit evaporation - perfect for making sauces or heating liquids classic tri-ply construction, made with a responsive aluminum core bonded together with 2 layers of durable, stainless steel all the way around for maximum durability and fast, even heat distribution secured with riveted stainless-steel handles to ensure a safe grip and to add a bit of style with stainless-steel lid to match compatible with all cooktops including induction, and oven/broiler-safe up to 600°f bonded, engineered, & assembled in usa. Backed by all-clad's limited lifetime warranty.