MINERAL B Round Carbon Steel Grill-pan 10.25-Inch 100-Percent Natural and 99-Percent Pure Iron Guaranteed without PTFE or PFOA and no chemicals added; naturally non-stick after seasoning Bee Wax was discovered by deBuyer as a by-product in nature to help protect these pans against oxidation and assist in seasoning Care : don't put it in the dishwasher, deglaze with hot water for washing, use coarse salt for sterilizing Made in France