10 packs of travel packs per box; 10 pcs per travel pack; Efficiently filtrate bacteria in the air with our 3-Ply disposable Masks; Disposable: Fluid resistant, effective in protecting against Bacteria, Dust, Pollen, Smoke, germs, in air pollution.; Outer layer - SS Non-woven blue; Middle filter - Meltblown Non-woven; Inner layer - SS Non-woven white