About this item * Nonstick Coating & Healthy Material: This non stick frying pan is made out of four layers of materials. The surface ceramic coating ensures its easy cleaning, there are also 3 internal layers allow this frying pan to heat evenly and more resistant. All materials are 100% Free of PFAS, PFOA, GenX, APEO, lead or cadmium. Even above 1000°F, you don't need to worry about material safety. It is more energy-efficient and less smoky than cast iron. * Preheat Function: The front end of the fry pan handle is a temperature indicator. The cold pot is red in front, red change to white after heating. Oil temperature ≥140℃ will change to white.