This Polyester Washable Facial Mask Is A Reusable And Fashionable Facial Mask Made Of 100% Polyester Fiber. It Is Very Soft, Breathable, Waterproof And Washable. The Buckle Can Be Adjusted Tightly, And Its Length Can Be Changed At Will According To Your Facial Contour. Protect Your Mouth And Face From Dust, Cold, Pollen, Allergies, Smog, Exhaust Emissions, Passive Smoking, Etc.Protect You From Insects, Sunlight, Spray, Wind, Etc. Suitable For Cycling, Camping, Running, Traveling, Climbing And Daily Use. Washable And Reusable Soft Fabric Fashion Protective Cover / Wash Before WearingThe Safety Mouthpiece Is Suitable For Most People, Whether You Are An Adult Or A Young Person, Whether You Are A Male Or Female, It Is A Good Choice.