Material:100% polyester.<br> Very soft,breathable,washable,with buttons for adjustable tightness.<br> Protect your mouth and face from dust,cold,dust,pollen,allergies,fog and haze,tail gas emissions,passive smoking and so on.<br> Applicable scene:Cycling,camping,hiking,gardening,tourism,outdoor,shopping,etc.<br> Care label :Hand washing is recommended.Do not bleach.<br>