This product is a set of 3 vintage 1 Mirro & 2 Comet aluminum cupcake or muffin pans from the 1950s, made in the USA. Each pan has 12 holes and is rectangular in shape, made of silver aluminum with a heat resistance of 450°F. These pans are suitable for use in both electric and gas ovens, and each pan has a hanging hole for easy storage. The set includes 3 muffin pans, each measuring 10 inches in length, 7.5 inches in width, and 1 inch in height. This retro collection is a nostalgic addition to any kitchen, perfect for baking delicious cupcakes or muffins.