Waterproof/breathable fabrics resist liquid water passing through, but allow water vapour to pass through. Their ability to block out rain and snow while allowing vapour from sweat to evaporate leads to their use in rainwear, waterproof outdoor sports clothing, tents, and other applications.
Place of OriginChinamaterial3ply (Melt blown fabric+ non-woven fabrics+ non-woven fabrics) colorblue Dimension170*90mmMOQ500pcsWeight20g/pcsFunctionKeep harmful gas, Smog, Bacteria,dust,smell and droplets out of the wearer's mouth and nose.