3 ply protective masks masks disposable disposable facial masks cup mask 5ply mask face mask 3-ply blue mask nonwoven fabric face maskEfficient barrier smooth respirator fresh, three-dimensional, breathable and comfortable3 layers of protection: non-woven outer layer + filter paper layer + skin friendly non-woven inner layerPerfect protection when travelling through congested airports, bus terminals, malls, parks , and busy city streets.Disposable design are effective in protecting against germs, dust and air pollution, safeguard your health and life.Soft and comfortable ear hook, not easy to drop, no need to adjust it when you work. A flexible Nose bar is adopted at the bridge of nose;