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 Approx. 13g *The finger holes can be easily removed by pushing from the back with your finger. 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 outside-of-standard-size mail. *The case alone cannot be shipped via standard outside-of-standard-size mail. Sale Bonus: - For purchases made on Monday/Tuesday/Thursday/Saturday/Sunday: - Purchase of 400 sheets: +20 sheets - Purchase of 800 sheets: +50 sheets Card and business card size, so there's no wasted cost. Small cardboard box