KN95 disposable mask with 5 layers
Daily protection, light and breathable
1st layer: 50g of non-woven fabric
2nd layer: 45g of es100 hot air cotton
3rd layer: 25 g 95 melt-blown fabric
4th layer: 25 g 95 melt-blown fabric
5th layer: 25 g 3s non-woven fabric
Test method:85L/Min
