Face Mask with Filter. Made from multiple layers of fabric, with a section for including one of the 4 included filters. Adjustable ear loops give a snug fit. Designed to filter out pollutants and particulates. Wide enough to cover nose, mouth and face. Washable & reusable 3D design with elastic. Dust-resistant. Ideal for daily use. Four layers of protection. Filters PM2.5 haze.