All-Clad 62025SS Copper Core 5-Ply Bonded Dishwasher Safe Porcelain Double Boiler Insert / Cookware, Silver
Copper-Core's patented five-ply bonded design utilizes a copper center core to maximize heat conductivity and responsiveness.  The copper ply is bonded to aluminim to enhance heat distribution while reducing weight.  The bonded exterior and and interior layers are highest quality stainless steel, providing ideal cooking surface, ease of cleaning, extreme durability and sculpturesque aesthetic appeal. The double boiler is made of high quality white porcelain and is excellant for both chocolate and cheese sauces.