Multilayer protective structure - closest in protective structure to the N95 mask
Protects against all viruses including COVID-19, bacteria, pollen, irritants, dust, etc.
Size Ratio: 5 bags/2 pieces in each bag = 10 masks
You get 10 masks for $70 at $7/mask
The FDA has now approved KN95 masks for emergency use due to shortages in N95 masks. KN95 masks protects against 95-97% of viruses.