Our financier molds are made of high quality carbon steel, with the features of resistance to high temperatures, corrosion and durability. Due to the characteristics of high quality carbon steel, it is safe and non-toxic. Suitable for use in ovens, please do not use in microwave ovens, induction cookers and gas ranges. The water should be completely dried after each cleaning, and the water inside the mold curl should also be pulled out. Do not soak the mold in water for a long time, which will reduce the service life.