Product parameters:<br> Material: cotton <br> Color: White+Black <br> Size: 10 cm / 4 inch <br> <br><br> -Features: <br> 1.Made of high elastic polyester fiber, which have good resilience allow them to restore the original length without deformation <br> 2.Effectively reduce the pain and pressure of wearing a mask in the ear for a long time.Wear it in the most comfortable state <br> 3.Easily slide over the earlcord with a soft adjustable buckel which holds the mask securely to the wearer <br> 4.The elastic cord is durable and breathable, ensuring breathable while maintaining durability, making it more comfortable to apply <br> ♥Package Included: <br> 120 pcs Elastic Cord <br> Service : <br> - If you have any questions, please contact us first. All issues will be solved within 24 hours.<br><br> - If you are satisfied with our product or service, please show your objective evaluation. Wish you have a good shopping experience here.<br><br> Note : <br> 1. Please allow 1-3cm error due to manual measurement.<br><br> 2. Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Thanks for your understanding! 3.Our delivery time is about 7-15 days. Please wait patiently for logistics information. Please check after receiving the goods. <br><br>