Non-woven KN95 mask with valve 
1, Material: Non woven 
2, Size: Adult
3, Color: White
4, Style: Elastic earloop or with ties on.
5, Layer: 5 layer
6, Nose bar: Single aluminum strip 
7, Economic, light,  Non-irritating, Comfortable 
8. Application: Civil
9. Standard: GB2626-2006