Double-sided kraft cardboard boxes suitable for shipping via Japan Post's "Yu-Packet" and "Click Post" services. With Yu-Packet, you can ship at a rate that matches the thickness of the package, while Click Post offers a flat rate of 185 yen nationwide. Also suitable for standard-size non-standard mail. The sum of the three sides is 44cm, so it can also be used as a 60-size parcel. In stock. Please comment if interested. Multiple purchases are possible (separate shipments). Bulk orders are not accepted.