Our breathable face mask is made of cotton fabric, exhalation valve, adjustable and elastic straps, breath valve design. The elastic and adjustable earloop provides for comfortable fit.Side with a high efficiency breathing valve. Reusable The anti-pollution masks can be washed and reused, all you have to do is change the filter. It can protect you from dust, haze, vehicle exhaust, passive smoking. Suitable for hospital, public places, heavy pollution weather.
