Oson Korean Wok uses a high quality special steel which is very firm and durable. Non-coating Teflon, PFOA free and PTFE free. Advance hard-anodized material surface, which can sustain more scratches. The bottom part has double structure which is suitable for induction cooker, infrared cooker, halogen furnace, ceramic cooker, hot plate, and also gas stove. Less oil smoke, eco-friendly and healthy cooking lifestyle. Non-stick wok. High quality steel handle. No screws, therefore will not get loosen easily. Suitable for frying, deep-frying, bake, steam and boil.