This is the face mask that protects one from allergy-provoking impurities and urban air pollution. Its allows one to breathe naturally through their nose or mouth while an integrated proprietary layer captures, neutralizes, and decomposes 99.3% of bacteria and particles larger than 0.4 microns including pollen, dust mites, mold spores, tobacco smoke, and pet dander. It’s made with comfortable fabric and has a durable waterproof cover. A built-in exhalation valve keeps the face from getting too hot or humid. With two elastic bands for securing around the ears or behind the head. Imported. One size.