Specifications: 1) Material: ADC12 2) Aluminum alloy pan for Japanese market 3) Production: aluminum die casting 4) Surface treatment: baking finish 5) Surface treatment: special baking finish for dishware, silk luster surface, hardened surface and lasting color (full color available) 6) Usable under 250oC, non-stick 7) Washing method: wash with water and wipe down with a dishcloth Note: Backed by a lifetime warranty, this kind of leaf nonstick cookware is made to professional standards, offering the home chef unsurpassed cooking performance, superior construction, resisting corrosion and lasting durability. Apart from above, the interiors surface is double-coated with a sturdy, reliable nonstick coating so sticking is never an issue and cleanup is amazingly easy. Each pan is made of a heavy-gauge aluminum (alloy) and oven-safe to 450 degrees. The tight-fitting cover seals in flavors.