Protects you from at least 95% of non-oily spread particles, allergens, pollen, pet hair and dander, molds and mold spores, leaves, grass clippings, smoke, mites, and more. High quality filtration material, smooth ventilation, refuse odor can effectively prevent Haze,Pollen, Dust, Germs, Allergies, Smoke, Pollution, PM2.5 and so on. 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. KN95 dust masks are foldable, easy to store, and can be used indoors and outdoors. Suitable for outdoor sports, office and home.