Does that envelope have a return address? We need to send it back.

How to say “Does that envelope have a return address? We need to send it back.” in Japanese

In Japanese

返送(へんそう)したいから、その封筒(ふうとう)に差出人(さしだしにん)の住所(じゅうしょ)は書(か)いてある？

Hensō shitai kara, sono fūtō ni sashidashinin no jūsho wa kaite aru?

Does that envelope have a return address? We need to send it back. in other languages