Trendzmy Net Introduce Pollution Mask – The Pollution Mask Color Are Black & Soft Ear Straps, Easy To Adjust. Smart Nose Clip Ensures A Close And Comfortable Fit To Your Face. Washable/Usable Inner And Outer Layers Are Made Of Pure Cotton To Ensure Maximum Breath ability. The masks are fordable and easy to carry as well. The Pollution Mask Made with High Quality Cotton Materials Perfect for daily wear to protect you from dust, ash and so on. A good choice for sports such as cycling, camping, hiking. One size fit all Unisex Cycling Anti-Dust Cotton Mouth Face Mask Respirator Black. Good for Bikers and cyclist. It protects your health from harmful air.