Welcome to our shop This transparent sewing machine bobbin is made of high-quality plastic, ensuring durability and practicality. It is smooth and anti-scratch, making it a perfect accessory for your sewing machine. The bobbin has a unique and exquisite design, with a light color and dimensions of approximately 21.4mm width, 11.4mm height, and 6.2mm diameter. Made from high-strength plastic, these bobbins are reusable and have a longer service life. The transparent color of the bobbin will not affect the actual color of the thread used for sewing. These bobbins are compatible with most standard size sewing machines and are suitable for both novice and experienced users. They are compatible with Brother, Janome, W6, Babylock, Kenmore, Singer, and Singer Promise/age models. Note: 1. Please allow small size error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard. (Customer satisfaction is our top priority. If you find any product problems after receiving the goods, such as damage or incorrect quantity, please contact us immediately. We will try our best to provide you with satisfactory after sales service) Thank you for meeting me.I hope this helps you. Wish you a happy life.