T-fal C770SI Signature Hard Anodized Scratch Resistant PFOA Free Nonstick Thermo-Spot Heat Indicator Cookware Set, 18-Piece, Gray Thermo-spot fry pans for perfect heating Non-stick interior for easy cooking and easy clean-up Hard anodized exterior for long lasting durability Thermo-Spot heat indicator show when the pan is preheated to seal in the flavor of your food. Non-stick interior for easy cooking and easy clean up; Limited Lifetime Warranty