Healthgenie facemask is made up of 40 microns breathable and reusable polyester fabric.It is easy to carry, use, wash and reuse. The facemask comes with few features as below: NO DISCOMFORT: Healthgenie always focuses on designing a safety dust cover for both women and men. This new mouth cover adopts high quality polyester material, making it soft and comfortable to your face, very effortless breathable to wear,and it won't induce discomfort ADJUSTABLE : The ear loop of our facemask is nadeup of highly elastic material, the elastic would adopt the proper length according to your face contour, preventing leaving trace on your face after taking off.One size fits most. ANTI-DUST : Wearing this facemask, you could be protected from dust, small particles on air, pollen and much more.Anti-dust,anti-odor;washable and reusable. APPLICATION : This anti-dust facemask is ideal for both women and men, suitable for cycling, camping, running,travel, climbing and daily use. Protect you from fog, viruses, haze, vehicle exhaust, passive smoking, etc.