The LetterPack is a pre-paid envelope available at Japanese post offices and most convenience stores. The LetterPack provides an express return of your documents and includes a barcode so you can track your incoming packages. To track your LetterPack, click here.
- LetterPack LIGHT: 370 yen, traceable, signature not required
- LetterPack PLUS : 520 yen, traceable, signature required