● Length: Approximately 15mm, Diameter: Approximately 11mm To use, simply open and clip it on. The shape may be distorted during delivery. It's soft, so it will return to its original shape, but it will break if you reshape it repeatedly, so please handle it gently. Thank you for your understanding. ● Since it will be sent via non-standard mail, it cannot be shipped on weekends and holidays. ● This product can only be shipped via non-standard mail. ● Please feel free to comment if you have any questions. ● We cannot offer discounts on single items. We will offer a combined discount of -50 yen for purchases of 2 or more items.