/ˌdɪpləˈmætɪk pʊtʃ/ – Phrase
Definition: túi công văn ngoại giao.
A more thorough explanation: A diplomatic pouch is a sealed container or package used by diplomatic missions to transport official correspondence, documents, and other materials between embassies and consulates without being subject to inspection by customs or other authorities.
Example: The embassy sent the confidential documents through the diplomatic pouch to ensure secure and protected delivery.