Gotham Steel Hammered Copper Cookware Set was designed with a Ti-Cerama inner coating that combines super strong titanium fused with super slick ceramic for the perfect balance of nonstick and durability. It is PTFE and PFOA free which means nothing will stick. Cook without butter or oil. Gotham Steel will change the way you cook and clean. The Ti-Ceramic coating allow for easy clean up and dishwasher safe.