20pc washable reusable mouth face mask cover anti-dust haze prodution black

-made of new pp non -woven fabric, breathable and comfortable. -three-layer, the inner layer absorbs water, can absorb saliva, and the outer layer is waterproof to prevent water from penetrating, washable, can be repeatedly used. -elastic widened ear loop design, wear easily, stronger and more comfortable. --dustproof and windproof, by covering the mouth and nose, protect your mouth and face from dust, wind, cold, pollen, fog&haze, vehicle exhaust, passive smoking wildfires, etc