Nonwoven Polypropylene Fabric – 99% Polypropylene Fabric,No Mildew, No Smell,Thickened Breathable Skin-Friendly and Soft Fabric for mask(5 Meters)

Features:
Disposable Nonwoven Fabric Filter
Specification:
Type: Material set for self made mask
 
How to make a mask with a sewing machine

Blue waterproof layer (outermost layer); meltblown cloth (middle layer); skin friendly layer (innermost layer).
Use a sewing machine to sew straight from the edge 1.5CM
Add a bridge between the meltblown cloth and the blue waterproof layer (seamless line)
Sew again with a sewing machine at a distance of 0.7 cm from the edge, and then fix the bridge of the nose
Sewing two threads on the left and right sides to fix the elastic rope

 
Note:Hand cut, 1 meter cloth may have 1-3CM error, please forgive