This is a brand new, unused item. Please note that this is for gas stoves only. The following is quoted from the official website: Set Contents Frypan 26cm Wokpan 26cm Saucepan 16/20cm Butterfly Glass Lid 16/20cm Seal Lid 16/20cm 1 dedicated handle (matte black) Gas stove only, with the highest-grade coating! A stylish matte black enamel series popular with a wide range of people. [Detachable handle, versatile use!] ① Compact stacking storage ② Directly into the oven ③ Serve directly at the table while hot ④ Directly into the refrigerator ⑤ Easy to wash [Titanium Intense Coating] ・ Boasts the highest-grade durability for gas stoves with "Titanium Intense Coating," which keeps food from sticking for a long time. ※ Saucepan has "Titanium Coating" [“Thermo-Spot” to make cooking even more delicious] ・ When the pattern of the mark disappears, it signals preheating is complete and the temperature is right. ・ You can see the best timing to add ingredients. [Secure fit with patented handle technology] ・ Excellent stability with T-fal's unique "3-point fixing system." ・ Easy to attach and detach with one hand, allowing for quick changes during cooking. ・ Compatible with all "Ingenio" series, so you can easily replace or add to your set. ※ Please do not use handles other than T-fal's dedicated handles. [Flat and neat storage, "Butterfly Glass Lid"] ・ Butterfly type with a knob that moves up and down and folds flat. ・ Glass construction allows you to easily see the contents while cooking. ・ Silicone rim fits snugly on pots and pans. [Seal Lid] ・ You can use the seal lid to cover and temporarily store food in the refrigerator. ・ No need to transfer food, reducing the amount of washing up.