This KF94 mask made in South Korea filters 94% of particles by utilizing 4 layers of filtering. The innovative 3D structure allows for comfort and breathability. The bands are adjustable which provide a more customized fit on the face. FDA Aprooved
[YJCorporation] Adjustable KF94 Mask (10)
1. Unfold the mask.
2. Fit to face and hang behind ears.
3. Pull strings to adjust overall mask tightness.
4. Press the nose mold to fit snuggly.