● Length: Approximately 9mm, Diameter: Approximately 7mm To attach, 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 repeated reshaping may cause it to break, 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 or holidays. ● This product can only be shipped via non-standard mail. ● Please feel free to ask any questions in the comments. ● We cannot offer discounts on single items. We offer a discount of 50 yen for purchases of 2 or more items.