Mauviel's M'Cook Multi-ply stainless steel line is made of 5 layers, combining stainless steel, 3 successive layers of aluminium and an exterior layer of ferritic stainless steel. This provides excellent conductibility with rapid and uniform distribution of heat all over the product. Polished exterior. Curved handle shaped for specific pan's size and use. Good on all cooktops, including Induction, Gas and Electric. Made in France.