Although unused, it was opened once to take photos. This is a 5-piece set of frying pans and a pot compatible with gas, IH, and ovens. Set Contents: Frying pan 20cm, Frying pan 26cm, Pot 18cm, Glass lid 18cm, Handle Compatibility: Gas, IH, Oven Operating Temperature: 100°C to 200°C (Glass lid up to 210°C)