4-ply Protective Filtration Disposable Mask
Breathable, Environmentally Friendly, Flexible, odorless
1. Outer layer: Polypropylene Non-woven fabric (Hyprophopic)
2. Middle layer: melt-blown filter
3-4 inner layers: Polypropylene Non-woven fabric (soft absorbent)
Hypoallergenic, without glass fibers, adjustable nose bar,