polyester fiber 95%/spandex 5% Comprehensive protection:Face mask bandana can effectively protect the surface from ultraviolet rays,dust and sand.Sport face mask give you all-round protection,let you freely carry out various outdoor sports. Wide application:Sun uv protection mask is lightweight and easy to carry.suitable for various outdoor activities,such as fishing,hiking,camping,cycling,motorcycling,hunting,yoga,Travel,and other kinds of sports. Multifunctional design:Seamless bandanas face mask there are many ways to use it,allowing you to use it as a neck brace,headband,wristband,handkerchief,headdress,headband,scarf,mask,balaclava,hat,etc. Environmental protection material:Breathable scarf Composed of 95% polyester fiber and 5% spandex,soft and breathable,moisture wicking and perspiration,allowing you to maintain comfort while protecting yourself. After-sales service:If you have any dissatisfaction with our balaclava face mask,please feel free to contact us,we will solve the problem for you as soon as possible.