Mauviel Made In France M&#39;Cook 5 Ply Stainless Steel 5218.20 8 Inch Lid, Cast Stainless Steel Handle MADE IN FRANCE SINCE 1830. Mauviel is the leading cookware manufacturer for professional and household chefs throughout the world. HIGH PERFORMANCE 2.6 mm thickness; 5 Ply Construction. MCook offers superior heat conductivity and controlled even heat distribution. HANDLES STAY COOL. Cast stainless steel handles stay cool during use. Pouring rims on every shape. Dishwasher Safe. CAN BE USED ON ALL COOKING SURFACES. Gas, electric, induction, halogen stovetops, and in the oven. Oven safe including under the broiler. GUARANTEE. All Mauviel products are guaranteed for life against any manufacturing defects for household use.