The extension hook made of high quality PP resin material, flexible, soft and comfortable, dirt resistant, can be reused for a long time.
Fits Adults and children, compatible with all kind of ear hook of face guard, Suitable for all kinds of work which need to wear face guard for a long time.
Hook design, Non-slip, 8 size adjustment slots to suit you fine, clip the face guard on the neck or back of the head, to free the ears, Protect ears from pain.
Suitable for big face when using a small face mask with short ear loop, maximum comfort wrap around design, fits perfectly to your head.
5 pcs in 1 package, 1 pc strap weight:4g, size:17*1.5cm. Lightweight and portable, Super easy and convenient to wear and remove.