Material : Eco-Friendly Cotton, Breathable and absorbent The mask helps to filter out 99 percent of pollutants and toxins. Air mask dust is made of Antibacterial Cotton, Suitable for sensitive skin, Lightweight, easy to breathe through Two exhalation valve. A perfect facial fit with elastic ear loops This product is best suited for all outdoor and indoor activities like bike riding, highway driving, mountain driving, sports activities, and cycling, etc.