20 Pcs in a box. These KN95 foldable mask is suitable for adults’ daily travel protection. When used properly, the mask provides approximately 95% filter efficiency and effectively protects respiratory health. Use the KN95 mask to protect against PM2.5, dust, pollen, microorganisms, and air pollution.
Use the mask within 3 years of manufacturer and should be stored in dry and ventilated location 23ºF – 122ºF (-5ºC – 50ºC, relative humidity <80%).