Rock.Tec surface enhancement Our 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, 3 times better than traditional non-stick cookware. •3 times more durable non-stick •Resists scratch and abrasion •Dishwasher safe •Oven safe up to 450 F / 230 C •Compatible with gas, electric, ceramic and halogen