What is a “tuck box”? A tuck box is not only what holds all of your cards together when you are not playing with them, but they are a marketing tool that lets folks know what your deck of cards are about. Not to mention they sure look a heck of a lot better with a custom box that includes information about both the contents and your organization. Bottom line, don’t settle for the generic look of a plain white or gold tuck box. Even the clear plastic cases just do not look as good as your own custom tuck box.