Product name: teapot Optional capacity: 3 liters, 5 liters Use stove: induction cooker + open flame Details: Polished inside and outside Thoughtful design: Anti-scalding handle made of polyester Whistle design: make up for the fast heat conduction characteristics of copper, prompt reminder after the water is boiled, safety and fuel saving! Please note: Copper conducts heat very well. In order to prevent water from boiling and overflowing, it is best to fill the pot with about 80% water! Voice: The sound is dull, thick and short Hardness: copper is soft, resistant to burning and easy to stretch Oxidation: pure copper is easy to be oxidized, and there will be oxidation spots when wet and water, which needs to be cleaned with vinegar