Thank you for viewing! (*^^*) These are cardboard boxes for: ★ Nekopos (30mm thickness) ★ Yu-packet (Yu-packet Post also supported) ★ Click Post Suitable for shipping thin items like books and clothing, and you can pack without worrying about corner crushing or exceeding the thickness limit ♫ ☘️ Outer Dimensions ☘️ 310mm x 225mm x 29mm ☘️ Inner Dimensions ☘️ 307mm x 223mm x 26mm ✔️ Please understand that there may be slight errors of about 1mm in thickness and size. ✔️ ⚠️ There are people who go to the trouble of measuring with a ruler and inquiring on the transaction screen with photos, but the standard sizes of packaging materials are the sizes provided by the supplier. Please refrain from purchasing if you are a perfectionist who is concerned about minor details. We cannot accommodate such requests. Also, please understand that there is a difference of a few mm between the outer and inner dimensions. ◉ Folded for packaging & shipping. ◉ When folding, it may be folded in the opposite direction of the assembly side, so please be aware of this. ✅ Cardboard fiber debris may adhere during the manufacturing process. Complete removal of adhering materials is difficult, so please understand and acknowledge this. Also, there may be black or gray specks, and color unevenness like stains. Please understand this as well. ☆ ※ Simple packaging, recycled materials may be used. ✅ Scheduled to be shipped via postal drop-off. ✅ Because the size is almost the same as the postal slot, the item may not fit in the post depending on the type and shape of the recipient's post. ✅ Please understand about corner crushing, etc., due to the impact of postal drop-off (*^^*) ⚠️ I am not a seller, so please refrain from purchasing if you are a perfectionist who demands perfection in packaging, etc. #Nekopos3cmA4SizeBrownBoxEmirin Emirin shop #Emirinshop