Le Creuset of America Enameled Cast Iron Signature Wok, 5-Quart, Caribbean Seamless concave cooking interior is inspired by authentic wok shapes but features a flat base so it works with all stovetop heat sources Ideal for high-heat cooking, enameled cast iron provides excellent heat transfer and perfect results when searing and browning Tight-Fitting glass lid seals in heat and moisture Wide loop handles provide a secure grip when transporting to and from the table Limited lifetime warranty