Size: 14 x 12 cm
Layer: 6 as follows:
1st layer: PP nonwoven fabric
2nd layer: ES hot air cotton fabric
3rd layer: Melt-blown fabric
4th layer: Nano PTFE coating layer fabric
5th layer: PP Nonwoven fabric
6th layer: SMS fabric
Earloop: 5mm diameter, made by cotton and spandex
Nose bar: 4 -5 mm diameter inside the mask, made by polyester with inner iron-zinc core.