Three layer ferno ceramic. PFOA and PTFE free. Warranty: Limited lifetime. Made from high-quality stainless steel. Black color. No assembly required. 22 in. L x 13.5 in. W x 10 in. H (4.87 lbs.) Cast iron wok with a Three layer ferno ceramic coating that is non-stick, eco-friendly and safe PFOA and PTFE free guaranteeing quality, durability and performance. stainless steel handles with cold grip technology.