de De Buyer iron MINERAL B pan contains 100% natural material with protective beeswax finish. It is guaranteed coating-free (no PFAO or PTFE). No added chemicals and made with an environmentally-friendly manufacturing process. Robust, recyclable and professional product. The fry pan reaches high temperatures and quickly seals food, thereby preserving vitamins and nutrients. Ideal for Sealing, Browning, Grilling. Seasoning: the more you use the fry pan, the better it cooks. The blacker it gets, the less it sticks.