Heat Mastery System: T fal's heat mastery system is a 3 ingredient recipe for perfectly delicious cooking results every time, Superior and longer lasting non stick coating, an anti warping, even heat base and patented thermo spot technologyThermo Spot Indicator: The ring around the spot turns solid red to show when pans are perfectly preheated and ready for ingredients to be added proper preheating is key to sealing in flavor and cooking food evenlyDurable Nonstick: Superior proglide toxin free nonstick interior and exterior stands upto rigorous everyday cooking, Allows for cooking without frustrating stuck on messesRiveted Handles and Even Heat Bases: Stay cool handles are comfortable and secure, even heat bases ensure superior heat distribution for perfect results every mealUse and Care: Suitable for all stove tops (except induction). Oven safe up to 350 degree Fahrenheit, Dishwasher safe, PFOA, lead, and cadmium free, Lifetime limited warranty