Yellow paper envelope, no confidential correspondence, size 3cm - Model: Koneko Mail 420 - Color: Yellow - Material: Paper - Features: Cannot send confidential correspondence - Size: 34cm x 24.8cm, thickness within 3cm - Price: 420 yen nationwide (tax included) - Features: Envelope suitable for Yamato Transport - Design: Illustrated with black cat and white cat - Usage: Ideal for sending mail [Yamato Transport] Koneko Mail 420 Dedicated Envelope Set of 38 Thickness: 3cm No weight limit A4 size also fits Write the address → Put in the package → Yamato Transport pickup (free) → Delivered to the mailbox. If you write the address and send the package with Yamato Transport, it will be delivered to the recipient's mailbox. The dedicated envelope is 420 yen per sheet including shipping, but if you purchase the dedicated envelope here, you don't need to pay when sending the package. Detailed shipping instructions are written on the front, so please read them. Shipping from Okinawa Prefecture is not possible, but shipping from outside Okinawa Prefecture to Okinawa is OK. Thank you for viewing.