Feature: - 4 Layers Of Thick Material: This anti dust mask is made of non-woven fabrics filtering material, four-layer filtration protection, it has a stronger filtering effect and is more warm and breathable. - Keep Away From Dust: High quality filtration material, smooth ventilation, refuse odor can effectively prevent Haze, Pollen, Dust, Germs, Allergies, Smoke, Pollution, PM2.5, Ash and so on. - Comfortable Designed: Soft and comfortable elastic earloop,extra-soft ear loops eliminate pressure to the ears. Inner layer is made of soft facial tissue, no dye, gentle to the skin. - Wide ApplIication: This KN95 mask is suitable for various occasions, including hospitals, stations, shopping malls, parks, etc. They are definitely your most reliable partners. - Protect Your Loved: When your loved one goes out for shopping or other work that requires isposable face masks, this disposable mask plays a great role in protecting your family - Lightweight, comfortable, odorless, fiberglass free, non-irritating to the skin and fluid resistant - Soft flexible nose piece permits individual facial adjustment - High 98.8% BFE (Bacterial Filtration Efficiency) at 3.0 u m particle size and low breathing resistance for protection against airborne particles, bad odor - Loaded with high-performance active carbon prefilter against nuisance organic vapors - Used for the removal of a wide variety of contaminants, bad odor and organic vapor below OEL Package Included: 10pcs x KN95 Masks or 20pcs x KN95 Masks or 50pcs x KN95 Masks