SIGMA Clad 3-ply construction for even rim-to-rim heat distribution with the added benefit of S pattern on the wok surface with ceramic non-stick coatingThis non-organic coating cannot burn if overheated, is PTFE-free, uses no PFOA binding agents and produces 605 less CO2 when manufactured than traditional non-stick materialsBetter non-stick performance, better for you and the environmentSafe for all cooking surfaces, including gas, induction, ceran, halogen, electro and oven (200?C)For optimal non-stick performance, use on low-medium heatErgonomic stay cool handlesDiameter: 28cm / 11"Weight: ~1.2kgDishwasher safe