【Set of 20】Yu-Packet Post Mini Dedicated Envelope ✔️ Brand new, unused ✔️ Immediate purchase OK ✔️ Same-day shipping available ✔️ Anonymous delivery These will be lightly rolled and packaged with waterproof protection for shipping. You can use them with peace of mind. ✨ We will ship within 24 hours at the latest. Limited quantity pricing, so it's first-come, first-served! Please take advantage of this opportunity!(^^) Japan Post Yu-Packet Post Mini mini envelope packaging materials office supplies 20 sheets 30 sheets 50 sheets 100 sheets