Filtration Rate: BFE > 95%
Fluid Resistance/Anti-fog:Fluid resistant
This Mask made of high-quality cotton and non-woven filter clothand with 3-layer filtration.
can safety mouth covers effectively prevents dust,PM 2.5 and a series of airborne pollutants,Multiple protections to block dust,harmful substances,gases.
With durable 3-layers protective mouth cover masks are light and not bulky.The durable material allows you to wear them for a long time without broken up soon with durable elastic.
Ear-loop:The disposable face masks cover your nose, mouth and chin, offering you full protection.