1.
envelope
A flat paper container for a letter.
封筒 is an envelope, from 封 (seal) + 筒 (tube/cylinder).
TYPES OF ENVELOPES:
- 長形封筒: long envelope
- 角形封筒: square envelope
- 茶封筒: brown envelope
- 窓付き封筒: window envelope
COMMON EXPRESSIONS:
- 封筒に入れる: to put in an envelope
- 封筒を開ける: to open an envelope
- 封筒に切手を貼る: to put a stamp on an envelope
- 封をする: to seal (an envelope)
RELATED POSTAL ITEMS: