これをアメリカまで送りたいです。 — I want to send this to America. (Replace with your country) (Post · Office, Formal — to staff, JLPT N5)

Gesture & etiquette

Place the package on the counter and look at the staff member while speaking.

Do not mention prohibited items (like lithium batteries or hazardous materials) casually; be prepared to answer specific questions about contents.