O-P-P Adult Mens Womens Bandana Balaclava Washable Reusable Replaceable Filter Activated Carbon Guard

Material: 100% Polyester Fiber, 5-Layer Activated Carbon Filter, M-Shaped Nose Clip Very Soft, Breathable, Water-Repellent, Washable, The Buckle Can Be Adjusted Tightly, And The Length Can Be Changed At Will According To Your Facial Contour To Prevent Leaving Marks On Your Face After Taking It Off.&Nbsp; Protect Your Mouth And Face From Dust, Cold, Dust, Pollen, Allergies, Fog And Haze, Exhaust Emissions, Passive Smoking, Etc. Function: Dust Proof, Soft And Effectively Prevents Infection In Crowded Or Public Places. Use: Washable, Reusable, Easy To Care For Durability.