1. Model: 20200328
2. Size: 16.5*15.5CM
3. Material: 40% non woven fabric (surface layer), 40% melt blown fabric (middle 2 layers), 20% hot air wound cotton
4. Grade:Filtering effect ≥95%
5. Shelf life：3 years
7. Certificate: CE FDA GB2626-2006
8. Packaging:1PCS/bag, 20PCS/box, 1000PCS/carton, Meas：49*31*77CM, N.W:10KGS, G.W: 14KGS
9. Face Mask Function: the daily protective civil mask is used to filter the air entering the mouth and nose, so as to prevent harmful gases, smells and droplets from entering and leaving the mouth and nose of the wearer.