FASHION DUST PROTECTION THERMAL MASK BLK 20 PCS

-Safely and effectively prevents dust, fine particles, and pollen from the air from entering your nose and mouth. -Material made of cotton that comfortable to wear reusable and Washable. -The durable design guarantees satisfaction and fits securely to prevent dust and other contamits from penetrating the mask. -Filter and exhalation valve can keep the inside of the mask well ventilated and protect the mask filter. -20 PCS