Packaging box including ribbon for opening

A packaging box comprising:

• a case having an upper portion that is open, the case comprising a first side wall, a second side wall connected to the first side wall, and a bottom plate;
• at least one cover member rotatably coupled to the first side wall of the case and configured to cover or uncover the first side wall of the case and the upper portion of the case according to rotation of the at least one cover member;
• a guide member on the bottom plate of the case;
• and
• a ribbon comprising:
• a first end portion connected to the at least one cover member, and
• a second end portion exposed to an outside of the case from the second side wall of the case and passing through the guide member in an inside of the case,
• wherein the ribbon is between the first side wall and the at least one cover member,
• wherein the ribbon is guided from the first side wall to the inside of the case and aligned on the bottom plate of the case to the guide member along a first direction, and
• wherein the ribbon is aligned from the guide member in a second direction intersecting the first direction such that the second end portion of the ribbon is drawn out to the outside through the second side wall.