Made of high-quality cotton and non-woven filter cloth, the 4-layer filtration. system of the safety mouth covers effectivelyprevents dust, PM 2.5 and a series of airborne pollutants. Multiple protections to block dust, harmful substances, gases and odors, and reduce infections.COMFORTABLE FULL PROTECTIONThe 4 layers protective mouth cover masks are light and not bulky. The comfortable material allows you to wear them for a longtime without rubbing your face with good elastic ear-loop. The disposable face masks cover your nose, mouth and chin, offering you full protection. One size for most adult men or women.
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