T-fal Ultimate Hard Anodized cookware is truly hard anodized inside and out. The core is 2x stronger than stainless steel​ and the 5 layer construction on frypans ensures reliable non-stick use after use. Titanium PTFE non-stick provides easy food release and cleanup every time. *This product contains PTFE for its non-stick properties. For more information about chemicals in this product, visit: www.t-falusa.com/cookware-commitments.