This is a white cardboard box, white both inside and out. It's clean and white, allowing for neat shipping. This is a double-sided kraft cardboard box that meets postal standards and can be shipped via Yu-Packet and Click Post. We will ship it in a double layer of a宅配ビニール袋 (shipping vinyl bag) and a vinyl bag. 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 for standard-size non-standard mail, the shipping cost is 120 yen; if it's within 100g, the shipping cost is 140 yen. The cardboard box will be shipped unassembled. Please refer to the product images for details.