. Flat bottom, induction suitable. . Seasoned. . Diameter: 32CM . Bottom diameter: 16CM . Weight: 5lb . Depth: 8CM With this heirloom-quality wok, healthy food and grandma's cooking can be passed on for generations. . ZhenSanHuan owns the patent of ZhangQiu iron wok, hand-hammered with Chinese traditional cold working technique. This technique was used to make weapons in ancient history. It does not just bring you health, but also with long-lasting life cycle, it keeps your family traditional flavor for your grandchildren. . Fully hand-hammered for 150 - 200 times for each square cm - for optimal heat retention and thorough, even heating. High-density surface doesn't absorb cooking oil, so you save oil meanwhile taking less fat. . NO painting, no coating - physically non-sticky to give you a healthy meal. Less oil, less smoke. It is completely safe and healthy. . Kitchen Must-Have - varied diameters of stir fry pan to fit your everyday cooking needs and techniques. . Products require seasoning before use. Silver wok needs to be seasoned. Blue-black wok is pre-seasoned, and need to be oiled before use - We can help to season it, please let us know if you need us to fully season it for you. We also have detailed tutorial video to help you make it a piece of art.