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