Ozeri 12-Inch Green Earth Wok with Smooth Ceramic Non-Stick Coating, PTFE and PFOA Free Unlike other ceramic cookware pans, the Ozeri Green Earth Wok utilizes an ultra-safe ceramic coating inspired by nature which is 100% PTFE and PFOA free. Delivers unprecedented non-stick performance without releasing harmful fumes or toxins at high temperatures. Features a scratch-resistant 100 percent ceramic coating that is super easy to clean. Made out of durable heavy-gauge die-cast aluminum with no heavy metals or harmful chemicals. Boasts a comfortable heat resistant Bakelight handle, and a magnetized induction stove safe base for rapid heat transfer.