▶MADE IN KOREA ▶BACKYAK99 Salt Filter + 4 Additional Layers of Filter- Blocks fine particles- Contains antimicrobial properties- Contains sterilizing properties▶3D Structure- Comfortable Breathing- Conformable Fit▶Functional system supporting nose (Nose Wire)- Prevents mask from sliding off or going down- Prevents eyeglass from fogging or misting▶Ear Band- Elastic Ba ...View more