Description: Products against water drops, protect the wearer up to 99% of dust, bacteria, viruses, are recommended for use in medical activities. Material: non-woven fabric. Specific: 3 protective layers and antibacterial meltbrown filter, fabric/paper filter. Packaging: 1 carton box contains 50 boxes; each box has 50 pieces. Total facemask in 1 carton box is 2,500 pieces. The price is per unit, the minimum is 25000 units