KN95 is a Chinese standard mask.

The KN95 mask is a type of mask with particle filtering efficiency in our country

KN95 mask and N95 mask are actually the same in terms of particle filtration efficiency 

Material: polypropylene(PP) spun bonded nonwoven

PFE: 5 layers, 95-99%

Packaging: 20pcs/box, 20box/carton