● Length: approx. 1.5cm, Diameter: approx. 7mm 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 repeatedly reshape it, 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. ● Please feel free to comment if you have any questions.