Direct from Spain, this paella pan is the real deal. Polished carbon steel heats quickly and evenly, for lavish great tasting paella. Before first use, add a small amount of water to pan and heat on stove to remove protective coating, then wash with hot soapy water. Dry thoroughly! Traditional steel pans will change color after use. To prevent rust simply coat the clean pan with a bit of vegetable oil. Buen provecho!