Alesso 12 Pcs Adjustable Mask Extender Strap, Mask Holder Ear Plug  (Black)

This mask adjuster can be used with a ear loop face mask.Strap is to be placed behind your head. Loops of the mask fit over the hooks of the adjuster.Hooks allow you to adjust your mask for your comfort.Washable and reusable material.Suitable for working, school, hospital, running, cycling, hiking, skiing, motorcycle climbing, climbing tactic training and other activities. Mask is not included!