High Filtration EfficiencyWith 95% of filtration efficiency , the KN95 face mask can protect against airborne bacteria & viruses, microorganism, pollen, pet allergens, smoke, haze, smog, sawdust, dust, coal dust, diesel exhaust fumes, factory emissions, construction work fumes, PM10, PM2.5, VOC, Ozone, Benzathine, Formaldehyde5 Layered FilterThe Adesso disposable face mask is made from 5 layer of fabrics; the outer layer is a high-quality non-woven fabric and the center layer is a meltblown filter layer.Flexible Ergonomic DesignAdjustable metal strip ensures optimal sealing between the bridge of the nose and the mask . Comfortable elastic ear loop is designed to fit the ear and prevent pressure to the ears.Comfortable & BreathableThe KN95 face mask is made of non-woven fabric allows for easy and comfortable breathing. Features Filtration efficiency 95% Filter Yes Designed for children No Number of layers 5 Reusable No Coloration Monochromatic Product main colour White