KN95 Standard Face Mask means that it can filter 95% of the air Oil-free particles, prevent Coronavirus and pm2.5 air pollution, suitable for home and professional use, making your indoor and outdoor breathing easier. Although the KN95 face masks do not meet the CDC's need, it can still be a good choice when you don't have N95 masks.KN95 mask is a great alternative to the N95 mask. And it's also better than the disposable mask if you have to go to where the crowds gather. 5 -Layer Filtration, Excellent Protection.  Our masks are comfortable, soft on the skin, non-toxic and non-irritating. Reduce the viral infection in crowd Light and Nonbulky, fabric-based.  Comfort wear, elastic fasteners with latch-on clip. When worn correctly, you will benefit from comprehensive protection. Features Filtration Efficiency: ≥95% Execution Standard: GB2626-2006 KN95 Material: This anti-dust mask is made of non-woven fabrics filtering material Functions: High-quality filtration material, smooth ventilation, refuse odor can effectively prevent Coronavirus，Haze, Pollen, Dust, Germs, Allergies, Smoke, Pollution, PM2.5, Ash and so on. NET WT 60 g