This Elf Mail box is a fun activity for the kids. It can be used for having an elf surprise visit. The front has a spot for writing a personalized name for a child. The boxes easily pop open and can be filled with anything You can fill with an elf, Christmas eve goodies, gifts, Welcome letters, activity sheets and more. The Boxes ship flat. Size is 9 inches by 6 inches by 6 inches tall.