5 ply construction; 2.6mm thickness on all shapes; pouring rims on every shape High performance cookware has fast, controlled even heat distribution; works on all cooking surfaces: gas, electric, halogen and is perfect for induction Oversized cast stainless steel handles stay cool and are ergonomically designed for ease of use Oven safe to 680-degree F, dishwasher safe, lifetime warranty, made in France 0