【Yamato Transport】 Koneko Bin (Kitten Delivery) 420 Yen Special Envelopes - Set of 15 Thickness: 3cm No weight limit A4 size also fits This product allows you to write the recipient's address and send your package via Yamato Transport, and it will be delivered to the recipient's mailbox. (Similar to Expack) The special envelopes are 420 yen each, including shipping! So, if you purchase the special envelopes here, you won't need to pay any additional shipping fees when you send your package. Detailed shipping instructions are written on the front of the envelope, so please read them. To reduce shipping costs, the envelopes will be folded in half for delivery. Please understand.