Made in France. Mauviel is the leading cookware manufacturer for professional and household chefs throughout the world. High performance: Mauviel's M'Heritage M150B collection is made of two traditional cooking materials: copper and stainless steel, (90-percent copper and 10-percent 18/10 stainless steel). Copper exterior offers superior control, heats evenly and much faster than other metals; stainless steel interior preserves the taste and nutritional qualities of foods and is easy to clean. Thickness of copper is 1.5mm Brass Handles. Are traditional and substantial. Offer a very comfortable grip and good balance. Pouring rims on every piece. Versatile: can be used on all cooking surfaces. Gas, electric, halogen stovetops, and in the oven. It can also be used on induction stovetops with Mauviel induction stove top interface disc (sold separately). Maximum temperature. Our products have a superb conductivity, so cooktop knobs or controls cannot be used at their 100% heating power; they need to be used at a 60% capacity. It means on a level of 10, 6. Care. Do not use high heat for a long period of time. Do not leave empty pan on a heated burner for an extended period of time.Do not use in dishwasher. Do not use metal utensils on the non-stick cooking surface. The use of scouring pads, steel wool, abrasive cleansers, bleach and/or oven cleaners is not recommended and can scratch or damage your cookware. Misuse of your cookware will void your warranty Made in France. Mauviel is the leading cookware manufacturer for professional and household chefs throughout the world.