Thank you for viewing! [Product] Yu-Packet Post Mini Dedicated Envelopes - Set of 100 [Size (Approximate)] Outer dimensions: 21.6 x 17.8 cm Inner dimensions: 21.1 x 16.8 cm (excluding the flap) *Supports up to 2kg [Shipping] Will be shipped without folding, with water damage protection. [Product Condition] New and unused. Please check the photos. Feel free to comment if you have any questions. [Please Note] ・Please refrain from purchasing if you are seeking perfection or are overly sensitive. ・We are not responsible for shipping issues. ・Returns and refunds are not accepted. ・The shipping method may be changed from Rakuraku Mercari to Yu-Yu Mercari, or vice versa. ・Please understand that there may be oversights. Instant purchase is welcome. Thank you.