This is a white cardboard box, white both inside and out. It has a clean, white appearance, allowing for neat shipping. Size: Internal dimensions: Length 98 x Width 56 x Depth 25 mm External dimensions: Length 100 x Width 61 x Depth 28 mm Weight: Approximately 13g *The finger holes can be easily removed by pushing from the back. Please refer to the product images for details. With finger holes, it's easy to open and close even a small box! Fits in a Nagasan (No. 3) envelope and can be shipped via standard-size non-standard mail. *The case alone cannot be shipped via non-standard mail. Sale Bonus: - For purchases made on Monday/Tuesday/Thursday/Saturday/Sunday: - Purchase of 400 boxes: +20 bonus boxes - Purchase of 800 boxes: +50 bonus boxes Card and business card size, so there's no wasted cost. Small cardboard box