Made of black carbon steel, this paella pan is pre-seasoned and ready for use. Specially designed to develop a nonstick patina over time, the more you use it the better it gets. This pan is oven safe to 600 degrees F and powerful enough for use on the grill or open flame. This pan delivers the same great searing results as cast iron but is lightweight and easy to handle. Black steel is corrosion-resistant, stain-resistant, and 3x denser than aluminum. Cast iron handles offer a sturdy, durable grip. The pan comes with a thin silicone wax coating which is much easier to remove than beeswax or grease, and is ready for cooking after washing. Hand wash only.