Mauviel, a French family business established in 1830 and located in the Normandy town of Villedieu-les-Poeles, is the foremost manufacturer of professional copper cookware in the world today. Highly regarded in the professional world, with over 170 years of experience, Mauviel offers several different lines of copper cookware to professional chefs and home cooks that appreciate the benefits of their high quality products. Professional cooks can attest that copper cookware is an essential part of every cookware collection as it is 2X more conductive than aluminum and 10X more conductive than stainless steel. This advantage makes copper the very best material for cooking, as it is unsurpassed in its ability to heat up evenly and rapidly and to cool down quickly, allowing for maximum control and great cooking results. M'tradition combines two efficient materials that are perfect for cooking and table presentation a 2-3.5 mm exterior of copper and a very thin tin interior. The copper exterior material provides for excellent conductivity. The tin lining is easy to clean and very durable. M'tradition has straight sides and stay cool cast iron handles that are attached to the bodies with sturdy copper rivets. M'tradition comes with a limited lifetime warranty. Made in France. Questions Welcome. I have over 330 copper cookware items in my store, please take a look. Thanks for looking. Enjoy Your Copper! F-08.