The GoodCook Everyday Nonstick 6 Cup Jumbo Texas Muffin Pan #04033 is a large round muffin pan made of metal, featuring a non-stick surface for easy baking. With a diameter of 12 inches, this gray pan is perfect for baking big muffins for all occasions. It is dishwasher and oven-safe, making it a convenient and versatile addition to any kitchen. Made in the United States, this GoodCook muffin pan is a quality product that simplifies the baking process.