Reusable Breathing Valve Masks Anti-allergic Mouth Masks Anti-
Dust Anti Pollution Mask Cloth Mask
Highly Elastic and Comfortable Fabric
Non-Medical
Improves Ventilation
Minimizes condensation and accumulation of sweat
Comfortable and breathable, resistant to dirt
Low breathing resistance-air breathing valve
Universal Size: Suitable for most people. Can be worn during cycling, running, hiking, skiing, and other outdoor activities
