The Martha Stewart 6 Oversized Muffin Pan is a high-quality baking dish made of durable carbon steel. It features a rectangular shape and a vibrant green color, adding a touch of style to your kitchen. This set includes not only a muffin pan but also a cake pan and loaf pan, providing versatility for your baking needs. The non-stick surface coating ensures easy clean-up and prevents your baked goods from sticking, making it a practical and stylish addition to your bakeware collection.