de Buyer Mineral Pan, Saute Pan - Set of 2 - Mineral 99% iron, organic pan is the preferred pan of conscientious cooks the environment;Ecologically-responsible pan is 100% recyclable;Performance improves over time, the more the pan is used the darker it becomes for all-natural nonstick cooking;Safe on 99% iron, organic pan is the preferred pan of conscientious cooks the environment Ecologically-responsible pan is 100% recyclable Performance improves over time, the more the pan is used the darker it becomes for all-natural nonstick cooking Safe on all stove tops, including induction