Mask is Made of Cotton Materials Perfect for daily wear to protect you from dust, ash and so on. A good choice for sports One size fit all Unisex Cycling Anti-Dust Cotton Mouth Face Mask Respirator Black. Its Brand New product. Good for Bikers and cyclist. It protects your health from polluted air.Anti Pollution mask. Superior protection from Dust, Germs, Allergies, Smoke, Pollution, Ash, Pollen Durable and Extreme Comfortable: Washable anti dust mask made of 100% cotton,features active carbon layer and one way exhale valve for easy breathing,durable material is reusable and Eco- friendly. Advanced 5 layer Filtration technology.