KN95 protective mask 1 pack disposable three-dimensional folding dust-proof, anti-fog and anti-ultraviolet mask, five-layer double meltblown

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;