Delicate ingredients of cheese, chocolate, crà mes and sauces go perfectly with this patented five-ply bonded double boiler. The copper center core of the 2-qt. saucepan is bonded to aluminum to enhance heat distribution and conductivity, and reduce weight. Durable stainless steel exterior and cooking surface provide even cooking, ease of cleaning and aesthetic appeal. The double boiler insert is made of high-quality white porcelain that prevents burning or scorching. Includes two lids: one for the saucepan and one for the insert. Oven safe to 500°F. Made in the USA.