The Mauviel M'heritage M'250 rectangular roasting pan is made of stainless steel lined 2.5mm thick copper. It features sturdy iron electroplated finish handles, fixed by stainless steel rivets. The Mauviel roaster measures 41 x 30 x 8.5cm / 15.75 x 11.87 x 3.25 inches. These professional Mauviel cookware pieces are made in France with a lifetime warranty. They are used by professional chefs around the world. The roasting pan responds to heat changes very quickly and provides the cook with maximum control, which is especially important when you are cooking meats and roasts. This amazing and ever lasting roaster from Mauviel provides you with superior heat conductivity and heat distribution. Therefore, preventing hot spots that cause foods to scorch and stick.