This Japan made carbon steel wok is made of 99% iron and 1% carbon is the perfect companion for high-temperature cooking. Being a good conductor of heat, the wok heats up quickly to a high temperature. This prevents food from sticking to the wok. Further, this wok does not have a non-stick coating. So, you do not have to worry about harmful chemicals released by non-stick coatings when heated at high temperatures, .