NSBNYMNG Elastic Cord Locks—100PCS Adjustment Buckles?Black Plastic Soft Ear Adjuster ?Round tightender?Mask Elastic Adjustment Accessories for Adult and Children

Weight: 25 grams Color: Black Note: If you find any quality problem  the cord locks after receiving the goods, please contact our customer service, we will unconditional return or replacement of buckles, your support is our power! Dear buyers:         Hello, thank you for choosing NSBNYMNG cord locks. Our products have brought convenience to thousands of buyers and friends.          Our elastic cord lock is made of non-toxic and environmentally friendly silicone material, with a thread shape and better feel. In just  one minute, you can complete the installation of the adjustment button, from now on, you will never have to worry about the rope is too  long or too short, which greatly saves costs and improves the efficiency of use.         After you receive the products, if you find any quality problems, please contact our local friendly seller support team as soon as possible.  We promise to take unconditional return and replacement policy for all products. Your support is our biggest motivation!