Product Description: Manufactured following over a century of experience and insavoir-faire in the Cupretam line embodies the tradition of professionalism of the Mauviel cookware lines The timeless product manufactured using the very best raw material continues to gain value over the years Copper is the speciality of Mauviel It is universally known all over the world Cupretam Tinned Copper Bain Marie w/ Porcelain Insert 5 1/2 in/1 6qt Copper tin inside Tinning by traditional process and no by electrolytic deposit 1 2 to 2 mm thickness Polished outside Fixed by sturdy copper rivets Hammered Bronze Handle///