Superior protection for particles in air pollution and other microscopic airborne contaminants. Trim and ear loops are made with latex-free spandex.Air filter is efficient for inflow and outflow of droplets.UniqMask is a reusable filtering mask with two layers of filter media, sewn into middle of the mask: a no woven fabric; and a Jet flannelette for protecting from microscopic particles including dust, pollen, shavings, mold, biologics, and contaminants in poor air quality.ECO-FRIENDLY - Reusable and made from sustainable materials, average replacement time is six month.