Diplomatic bag

Transported package of a diplomatic mission, exempt from inspection or seizure

A diplomatic bag, also known as a diplomatic pouch, is a container with certain legal protections used for carrying official correspondence or other items between a diplomatic mission and its home government or other diplomatic, consular, or otherwise official entity. The physical concept of a "diplomatic bag" is flexible and it can take many forms.

This keyword could refer to multiple things. Here are some suggestions: