Quick Answer
レターパック (Letter Pack) comes in two types: Light (¥370, mailbox delivery, max 3cm) and Plus (¥520, door-to-door with signature, no thickness limit). Both are tracked A4 envelopes that you buy pre-made at any post office or convenience store.
Letter Pack (レターパック)
レターパック · Retaa Pakku
Price, Size & Weight
| Item | Details |
|---|---|
| Letter Pack Light | ¥370 — max 3cm thick, delivered to mailbox |
| Letter Pack Plus | ¥520 — no thickness limit, hand-delivered with signature |
| Size (both) | A4 size: 34cm × 24.8cm |
| Weight (both) | Max 4kg |
| Where to buy | Post office, FamilyMart, Lawson, 7-Eleven, online |
Features
✅ (both types)
Tracking
❌ (no loss compensation)
Insurance
❌ (your address is printed on the envelope)
Anonymous
Drop-off: Post office counter or drop box (Light only)
How to Ship — Step by Step
- 1Buy the Letter Pack envelope at a convenience store or post office (¥370 or ¥520).
- 2Write the recipient's name and address in the fields on the envelope.
- 3Write your return address in the sender field.
- 4Pack your item inside the envelope and seal it.
- 5For Light: drop in any mailbox or post office box. For Plus: hand to post office counter.
- 6Keep the tracking slip (it peels off from the envelope).
Best For
- ✅ Documents, contracts, certificates
- ✅ Thin electronics (cables, small accessories)
- ✅ A4-size items like photo books, thin notebooks
- ✅ When you want a guaranteed tracked delivery without measuring sizes
When NOT to Use This
- ❌ Items where anonymity is required (use Mercari-bin)
- ❌ Items needing insurance (use Yu-Pack)
- ❌ Items over 4kg
FAQ
Q: What is the difference between Letter Pack Light and Plus?
Light (¥370) is delivered to the mailbox (no signature needed) and cannot exceed 3cm. Plus (¥520) requires a signature upon delivery and has no thickness restriction as long as it fits inside the envelope.
Q: Can I buy Letter Pack at 7-Eleven?
Yes. Letter Pack envelopes are sold at most major convenience stores including 7-Eleven, FamilyMart, and Lawson, as well as all post offices.
Q: Does Letter Pack have insurance?
No. If the item is lost or damaged, there is no compensation from Japan Post. For valuable items, use ゆうパック which includes up to ¥300,000 insurance.