Thank you for viewing! ☺️ *To prevent any issues, please check my profile before purchasing.* [Product Details] ・Size: 10mm ・Quantity: 40 pieces [About Purchasing] ✔ Instant purchase OK! ✔ If you are purchasing multiple items, please comment. ✔ Feel free to ask any questions before purchasing. [About Shipping] ・We will ship using the most affordable method, without bubble wrap. Please note that we are not responsible for any accidents during shipping. [Requests] In the unlikely event of any defects or issues, please contact us before leaving a review.