mask ear rope extenders adjustment buckle black 4 pcs hx aurize <p><b>stepless adjustment mask strap extenders relieve your ear pain</b><br> <br><b>material:</b> microelastic cotton rope and plastic adjusting buckle<br> <br><b>package contents:</b> 4 pcs mask loop extender<br> <br><b>color:</b> black<br> <br> only the above package content, other products are not included.<br> <br><b>instructions for use:</b><br> </b>hang the mask lanyard on hook of the ear strap hook,<br> </b>and adjust the tightness freely according to the size of the head.</p>