Baking muffin pans are found in most commercial kitchens. Baking muffin pans are a necessity when baking. When choosing your baking muffin sheet pan determine which size suites you best. These muffin baking pans come in 18" x 26", 18" x 13", and 9" x 13". The different size muffin baking pans are usually used for different sized restaurant businesses. It is important to know the type of muffin pan you need as well, as style and size of baking muffin pans come perforated and solid. Shop for your baking muffin sheet pan now.