One is made of pure cotton absorbent gauze or non-woven cloth material with filter paper in the middle, so as to improve the filtering effect of non-woven cloth mask.
The 3 ply non-woven disposable surgical mask is made of 3 ply non-woven material, it is healthy and safe for you to use. 3 ply non-woven design, provides some protections against dust, automobile exhaust, pollen, etc.