This mask is not intended for medical use, and not proven to reduce the transmission of disease. Comfortable & Fits Most: Mask is made of non-woven fabric for easy breathability. Uniquely designed: Comfortable elastic earloop, extra-soft ear loops eliminate pressure to the ears. 3-ply, with a melt-blown polypropylene filtration layer. Uses: Clean, personal care. These masks should be disposed of after each useï¼? protection from non-oil particles, PM2.5 pollution, virus, smoking, dust, odor, pollen, droplet. FDA-Registered for general use. One size fits all. Pack of 50. Product Features 3-layers of protection Not-woven outer layer + filter paper layer + skin friendly not-woven inner layer.Breathable and comfortable,low breathing resistance. Comfortable ear-loop Comfortable ear-loop, extra-soft ear loops eliminate pressure to the ear. You feel comfortable with periods of time usage.this disposed. Hidden nose stripes Inset with bendable metal nose strips freely adjust shape according to face shape, increase facial fit, adjustable according to nose height. Better protection Perfect when travelling through congested airports, bus terminals, malls, parks, and busy city streets.