KN95 mask meets American standards, five-layer filtration rate is as high as 95%, disposable KN95 non-woven fabric folding high-quality prot

1. Five-layer protection, double-layer melt blown, say no to air pollution; 2. Three-dimensional ventilation, easy breathing; 3. Elastic ear cords, comfortable travel; 4. 5-layer filtration, safe purification;