Ships from Hong Kong. When adjusted to fit snugly, breathe healthy masks help to protect against germs, pollen, dust, pet hair & dander, allergens, mold spores, many bacteria, effluents from coughs and sneezes (containing flu viruses), and many of the particles that pollute the air. Use this mask allows the wearer to breathe easier while lawn mowing, gardening, grooming the family pet, leaf raking, bicycling, working in the office, during travel, carpooling, wood working… performing many of day-to-day work and recreational activities.