The washable cotton face mask with filter chip(non-medical)
1.The outer and inner fabric:100% cotton fabric,white,black,pink,blue ,grey
you also can choose polyester fabric,silk fabric and etc
except the fabric, you also can printed any design you want.
2.The inner filter chip:
the first layer:50gsm non-woven fabric,waterproof
the second layer:25 gsm meltblown
the third layer :25 gsm active-carbon
the fourth layer:25 gsm meltblown
the fifth layer:50gsm non-woven fabric,waterproof