The tri-ply construction of the Vintage Polished 8" Deep Skillet consists of a copper exterior, an aluminum core, and an 18/10 stainless steel interior. This unique combination ensures even heat distribution. The sturdy handle is riveted for added durability and provides a comfortable grip. Compatible with Electric, Gas, Halogen, and Vitro-ceramic. Oven safe 450°F. This material is rust, corrosion and stain resistant, providing a surface that makes cleaning hassle-free. Healthy and non-toxic, PFAS-free and PTFE-free, cook at high temperatures without harmful chemicals leaching into your food. Allow it to cool before washing with warm water, mild, nonabrasive soap, and nonabrasive pads.