3 Layers of Material-It's made of 3 layers of high-quality non-woven fabric; it has a stronger filtering effect and breathable Masks<br>Disposable masks for protection are using for personal protection<br>50 pieces. General face use mask. Not for medical use. These masks should be disposed of after each use<br>Adult face masks are suitable for office, home, salon, cycling, grocery store and all the indoor and outdoor activities. It’s a best safety mask to wear it when you travel through congested airports, bus terminals, malls, party and busy city streets<br>Keep you from dust, haze, smoke, automobile exhaust, etc.