The Integral 3 saucepan by Cool Kitchen features heavy duty 3-ply construction with an aluminum core that extends to the rim. The interior and exterior layers are made of mirror finished 18/10 stainless steel. The solid aluminum core allows for quick and efficient heat distribution, thus resulting in even cooking every time. The pots have ergonomic stay-cool alloy cast riveted handles for convenient and safe handling. Dishwasher and oven safe.