The rock by Starfrit's 12-in. Fry pan's unique manufacturing process uses small metal pellet impact technology to modify the surface to form an ultra-durable rock-like finish. The result is an outstanding release performance, 3x better than traditional nonstick cookware. It's easy to clean and dishwasher safe. Included: 1 12 Inch Fry Pan(s) Features: Non-Stick, Oven Safe, Scratch Resistant, Ergonomic Handle, Dishwasher Safe Cooktop Compatibility: Electric, Gas, Ceramic Manufacturer Warranty: 2 Year Limited Maximum Temp (f): 392 Degrees F Base Material: 81% Aluminum, 19% Plastic Care: Dishwasher Safe Material: Aluminum Country of Origin: Imported