MATERIAL: 2 layers of non-woven cloth + 1 layer of activated carbon + 2 layers of melted spray cloth. Easy To Clean And Dry Quickly. Size: Filter size: 12cm*8cm .This New Mouth Mask Adopts High Quality Cotton, Making It Soft And Comfortable To Your Face, Very Effortless Breathable To Wear,And It Won’t Induce Discomfort. REUSABLE: These Reusable Respirator Masks Can Be Washed By Hand And Worn Before Or After You Get Sick, While Motorcycle Riding Or Just Being Outdoors. HEALTH PROTECTION: Suitable For Cleaner,Builder, Farmer, Doctor, Student, Catering, Gardening, Painting, Construction, Nail Salons, Medical, Dental.Protection Objects: Pollen, Dust, Fine Particles, Kitchen Oil, Second-Hand Smoke, Odor Gas, Etc. WIDE APPLICATION: This Anti-Dust Mask Is Ideal For Both Women And Men, Suitable For Cycling, Camping, Running,Travel,Climbing And Daily Use.Protect You From Fog,Haze,Vehicle Exhaust,Passive Smoking,Etc. HEALTH PROTECTECTION: Ideal To Protect Your Mouth And Face Safe By Keeping Dust Away.Our Mouth Mask Is Also a Good Match For Outdoor,Bus,Metro,Hospital,Sporting, Running, Hiking And So On.We Believe That The Face Mask Is a Ideal Choise Which Make You Look More Fashion.