● Length: Approximately 9mm, Diameter: Approximately 7mm To attach, simply open and clip. 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 this is standard mail, we cannot ship on weekends and holidays. ● This product can only be shipped via standard mail. ● If you have any questions, please feel free to comment. ● We cannot offer discounts on single items. We will offer a combined discount of -50 yen for purchases of 2 or more items.