Share your delicious cupcakes and muffins with others! Now you can easily take frosted chocolate cupcakes or sugar-topped blueberry muffins with you with no hassle. After baking, use the 9" x 13" Nordic Ware natural aluminum muffin pan as a carrier. Snap on the plastic cover and you're ready to go! Lid is flexible plastic for less cracking and pan is commercial quality natural aluminum for even baking. The pan has 12 cavities, 2-3/4" dia. (2" dia. base) x 1-1/4" deep. Lifetime warranty.