Made of durable 18-8 stainless steel with a mirror finish, this double boiler'sTriple-ply encapsulated bottom is induction safe, as well as electric and gas safe, Outside layer on the encapsulated base made of magnetic steel. Measures 7.75-inches in diameter by 6-inches tall. Glass lid with steam vent - oven safe to 450-degrees Fahrenheit. Dishwasher safe.