2.5mm copper exterior provides unsurpassed heat conductivity. Stainless steel interior is ideal for all daily cooking needs. Cast-iron handles allow for easy, safe portability. Hand-washing is recommended to preserve the finish of your copper kitchenware. Lifetime warranty covers any defects in materials, construction, or workmanship under normal use when following recommended care instructions. Cook up delectable dishes in our exquisite Mauviel Copper Frying Pan. Available in a variety of sizes to meet all of your epicurean needs. Created by Mauviel, a French company founded in 1830. Dedicated to offering the finest quality kitchen accessories, Mauviel has become a fixture in professional and household kitchens around the world.. . . . . . Learn more about the benefits of using copper cookware in your kitchen.