● Length: Approximately 1 cm, Diameter: Approximately 1.2 cm 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 repeated reshaping may cause it to break, 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. ● If you have any questions, please feel free to comment.