This electric wok is designed with unique, innovative DuraCeramic™ non-stick ceramic coating to last 4 times longer than ordinary non-stick surfaces. This extra-durable, super-hard surface won't flake or peel. Natural DuraCeramic™ is PFOA and PTFE free and cooks up to 20% faster to save time and energy. Generous 4.5L cooking vessel and adjustable temperature control makes it easy and convenient to prepare one-dish meals. Includes a tempered glass lid with steam vent.