Round Topsy Turvy Cake Pans Set Set of 4 tiers. 12", 10", 8" & 6" diameters Seamless, timesaving design. Lowest side is approximately 2 3/4" and highest side is 4" Make topsy-turvy, crooked cakes with ease. No more cutting and wasted products. Made from heavy duty anonized aluminum. U.S. & International Patents Pending.