Magic Line Cheesecake pans with Removable Bottom by Parrish. are made from heavy aluminum with a 14 gauge removable bottom. This is ideal for the easy release of cheesecakes or cakes whose crumb crusts are difficult to remove. These aluminum Cheesecake Pans with Removable Bottom are manufactured in the USA! You will like these better than any springform pan you have ever used. Guaranteed! MADE in the USA These pans are covered under a lifetime guarantee against rusting, chipping, flaking, warping, and more!