This is a double-sided kraft cardboard box suitable for shipping via standard mail, Yu-Packet, and Click Post. Please note that there is a possibility of corner bends, dents, or wrinkles during delivery. Internal dimensions: Approximately 134mm x 82mm x 24mm External dimensions: Approximately 143mm x 93mm x 28mm Total external dimensions (sum of all three sides): Approximately 27cm Weight: Approximately 23g If the total weight including the box is within 50g, the shipping cost is 120 yen for standard mail (within the size regulations). If the total weight is within 100g, the shipping cost is 140 yen. The cardboard boxes will be shipped unassembled. Please refer to the product images for details. Negotiations on the quantity are welcome. Feel free to comment. Sale Bonus! If purchased on Monday/Tuesday/Thursday/Saturday/Sunday: For purchases of 150 to 299 boxes: +5 boxes For purchases of 300 to 499 boxes: +15 boxes For purchases of 500 to 699 boxes: +20 boxes For purchases of 700 boxes: +30 boxes For purchases of 800 boxes: +50 boxes *The day of purchase will determine the bonus.