Cake Circle By Whalen ® Cake Circle By Whalen ® is a line of cake boards and cake drums manufactured by Whalen Packaging, a leading provider of packaging solutions for the foodservice industry. These products are designed to provide a sturdy and attractive base for cakes, pies, and other pastries. Cake boards are typically made of corrugated cardboard and are available in a variety of sizes to accommodate different cake sizes. They are often coated with a white or foil finish to give them a clean and professional appearance.