High defense disposable protective KN95 face masks. KN95 protection masks are suitable for respiratory protection from harmful particles in the air. It can effectively filter non-oily particles in the air, up to more than 95%. It adheres and covers from your nose to the chin to protect against droplets, dust, air pollutant, etc. KN95 masks are rated equivalently effective to perform like N95. Each package is sealed at manufacturer and once opened has a resealable top closure.