The Non Stick Steel Mega Mini Muffin Pan by Chicago Metallic is a durable baking tray made of carbon steel, measuring 21.5" in length and 15.5" in width. This rectangular pan features a non-stick surface coating, making it perfect for baking a variety of mini muffins and other treats. The used worn finish adds a unique touch to this versatile baking tray, ideal for any kitchen. Recommend that you measure your oven before purchasing. Recommend that you use paper liners.