● Length: Approximately 9mm, Diameter: Approximately 7mm To attach, simply spread it 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 repeatedly reshape it, so please handle it gently. Thank you for your understanding. ● Since this 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. ● If you have any questions, please feel free to comment. ● We cannot offer discounts on single items. We will offer a 50 yen discount for purchases of 2 or more items.