Features:
1.Three layer protect: Non-woven outer layer +filtration paper layer+skin-friendly Non-woven Inner layer.breathable comfort, low respiratory resistance.
2. Plasticity nose bridge strip, Hide the sides of the fixed nose.more suitable for all face types.
3.High-elastic flat ear strap. Will not tighten the ears.
4.Inner layer:skin-friendly Non-woven .soft and comfortable Reduce the probability of skin allergies.
5.Physical ultrasonic welding.Encrypted welding point.Strong and durable.Fine workmanship.

Specification