Rubbermaid Cupcake Platter, Party Serving Kit Rubbermaid Party Serving Kit securely transports and proudly serves. Features a 12-Cup tray for cupcakes and muffins, and a 24-Cup tray for mini cupcakes and muffins and deviled eggs. Base tray is great for a two-tiered 9" x 13" sheet cakes, 10" round cakes, 9" pie, and cookies and snack bars, and is tall enough to protect desserts up to 4" high. The lock and lift lid snaps onto platter base for a tight seal and secure transportation. All components are BPA-free, Microwave, dishwasher, and freezer safe.