Disposable industrial product mask (50 sheets), no bad breath stress even when worn all day, functional mask with a built-in cotton filter, easy to breathe without sticking to the mouth, comfortable 3D design, dust separation with effective protection, comfortable fit, and soft material, Smog, dust, water droplets, secondhand smoke, car exhaust, protection from pollen, 30 hours effective protection, 4-layer block with melt-blown filter to protect against viruses, (outer protective layer -> large particle blocking, middle layer -> Dust collection rate 0.4 micrometer 83% Particle blocking effect, no odor stress -> Cotton filter, inner protective layer -> Soft-touch skin protective layer)
Comfortable breathing that can be seen immediately after use.