The GreenPan Paris 12½" wok is made with durable hard-anodized aluminum on the outside and Thermolon healthy ceramic nonstick coating for easy cleanup and food release on the inside. Plus, the helper handle makes it easier to move around the kitchen. hard-anodized aluminum provides quick and even heat distribution Thermolon ceramic coating is healthy, safe and does not contain any toxic chemicals or persistent pollutants no harmful fumes, peeling, chipping or flaking off of the coating PFOA, lead and cadmium free 60 less CO2 is emitted during the curing phase of production of Thermolon coatings, compared to the emissions during the curing phase of production of traditional coatings GreenPan processes used materials-such as upcycled stainless steel for the handles and upcycyled aluminum for cookware bodies-into new products to prevent waste of potentially useful materials stainless steel handles coating is heat resistant to 850ºF Aluminum with stainless steel handle and ceramic nonstick coating. Dishwasher safe. Imported.