Magic Line Cheesecake pans 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 are manufactured in the USA! You will like these better than any springform pan you have ever used. Guaranteed! These pans are covered under a lifetime guarantee against rusting, chipping, flaking, warping, and more! .MADE in the USA