POKANA 3-ply Earloop Surgical Face Mask – Box contains 30pcs is a mask that can protect the risk of exposure from ultraviolet rays, dust, vehicle fumes, air pollution, bacteria, viruses. Equipped with Nano Guard technology that can filter up to 99% of particles measuring 0.3 microns. Using hygienic and allergy-free materials with Form Fit Design Nose-Piece so that it is comfortable to use and covers the nose perfectly.