1.Product: PM2.5 Masks.This mask is velvety, high-quality anti-pollution mask is made with ultra-soft material.Protection against gases, smells, all PM; PM2.5, PM0.3, pollen, smoke and dust.
2.High quality– The mask is made with military grade filtration technology and comes with straps that are adjustable, ergonomic and comfortable. The mask is also fitted with a valve that automatically opens and closes allowing you to breathe smoothly.
3.Easy to use: Built-in exhalation valve lets air in and keeps moisture out, letting you breathe easier while keeping dust and other pollutants out.Our anti-pollution masks can be washed and reused, all you have to do is change the filter.
4.The adjustable elastic straps can adjust the size you fits most.If you add a part of the ear clip, the entire mask width can reach 13 inches（kid under 5 years old are forbidden） , According to the person face design, keep out the bridge of the nose the following part, have aluminum sheet fixed, to prevent the slide.