I legitimately used this pan like 3 times AT MOST. With MineralShield nonstick technology that's 5x more durable*, Calphalon Premier Hard-Anodized Nonstick Cookware releases food effortlessly and holds up to metal utensil use. (*vs. prior generation of Calphalon Classic) Featuring MineralShield nonstick technology, Calphalon Premier Hard-Anodized Nonstick Cookware is now 5x more durable than before when compared to the previous generation of Calphalon Classic. This nonstick grill pan delivers superior long-lasting performance for effortless food release over and over again, so you can cook with confidence and serve even the most delicate food with ease. The 3-layer nonstick interior is made with some of the Earth's hardest minerals to withstand metal utensils and everyday use and the hard-anodized exterior is dishwasher-safe for easy cleanup. Calphalon Premier Hard-Anodized Cookware is oven-safe up to 450 degrees F, so the nonstick pots and pans can go from the stovetop into the oven for heating and cooking versatility. Elevate your cooking experience with Calphalon Premier, and enjoy exceptional performance with endless possibilities. Designated Chemical Disclosure: This product contains PTFE, Aluminum, Stainless Steel (Iron, Chromium, Nickel, Manganese, Copper, Phosphorus).