Made of good quality environmental friendly skin-friendly non-woven material, l and anti-haze, non-toxic and non-irritating | Three-layer high efficiency filter system has stronger blocking ability to particles, can filter the harmful air, safer to use | Fits to the face, the adjustable magic nose bridge strip can be adjusted according to the shape of the face to avoid gaps. Breathable and light, not tight to wear for a long time, comfortable to wear | Elastic ear band is easy to wear, not tight, brings no pressure to your ears | Packaging may vary