50pcs kn95 face mask respirator cup dust 5 layer with elastic ear loop, black wanwane <b>product features:</b><br> 1) soft and breathable fabric<br><br> 2) magic nose bar <br><br> 3) high elastic earhook<br><br> 4) seamless connection point<br><br><br> <b>usage method:</b><br> 1) pull the anti-fog inner flap up and pre-mold the top metal strip.<br><br> 2) position elastic loops behind ears.<br><br> 3) mold the top metal strip to the bridge of the nose,then pull the bottom portion of the past your chin and secure the bottom metal strip.<br><br><br> ✔<b> package:</b>s *50 pcs<br> ✔<b> color:</b> black<br><br> <b> note:</b><br> 1) after using thes, try to store it as flat as possible, and do not fold it frequently to prolong the service life of the product.<br><br> 2) after use, please do not discard it at will.<br><br> if you have any questions, please do not hesitate to contact us. we will offer you 24 hours customer service.