Features:<br>Flat elastic cord is more durable and practical.<br> It's good helper for your sewing and knitting.<br> Effectively reduce the pain and pressure of wearing a mask in the ear for a long time.<br> Style of plastic buckle will be sent at random.<br> Soft elastic loop which holds the mask securely to the wearer.<br> Used for earmuff, earflap, and respirator mouth-muffle mask.<br> According to your face size, adjust it in the most comfortable state.<br><br> Specifications:<br> Material: Polyester<br> Color:Black+White<br> Wide: 5mm / 0.2in<br> Length:10cm / 4in<br><br> Package Included:<br> 100 Pcs Adjustable Mask Earloop Cord <br>The quantites is counting by machine, not manual counting. There are some error in the quantites. Maybe received a shortage and not an equal amount of 100 pieces.<br>