Luxury double-door calendar boxes can be used to fill with different types of presents for babies, children, and adults. Adopt a rigid cardboard double door structure with ribbon closure, and built-in 24 calendar boxes (each one with a different finish, printing, color, and size), the Christmas gift box set provides elegance to your gifts so that it can be presented to the customer in a more sophisticated way. You can put gifts of different shapes or sizes into this Empty Self Fill Advent Calender Box as you like, beginning at the start of the Advent season, so that the recipient can find a different joy in it every day.