Middle layers: Woven Polyester with water repellent Woven Polypropylene, N-PTFE nano microporus film, Woven Polypropylene, Woven Polyester
Inside layer: Skin-friendly, breathable, elastic coffee knitted fabric
- Filtering effect (0.075μm): 99%
- PM2.5 Protection: Good
- Air Permeability: Good
- Dust proof: Yes
- Oil mist/ alcohol proof: 95%