- 100% silk cover with nano film, and 360 fit your face perfectly.
- Washable and recyclable
- Adjustable band
- Adult size: 11*2*13cm
- Kid size: 8*2*12cm
This nano film is a new materials, which was just developed and released, and can replace the spunbond in the traditional face masks. It’s a new compound film material and can be washed and recycled. It can be used on KN95 face masks and has a better performance in the resistance and permeability.