Cycling Bike Bcycle Activated Charcoal Mask Head Mouth Face Mask

Universal Cycling Bike BIcycle Neck Mask Activated Charcoal Head Mouth Face Warm Mask
Features:
Four layers and eight filterings.
Air holes on the mouth position
Perfect performance to resist PM2.5, vehicle exhaust and dust.
Stretchable and breathable.
 

Pasters for fix on the back, easy to put on and take off.
Wind protection and dustproof and good permeability. 
Ideal for motorcyclists, cyclists, skiing, fishing, hiking and for winter use.
Specification:
Brand: Bacecamp
Model: BC-591A
Surface material: Neoprene
Inner material(4 layers): Nonwoven fabrics, Spray-bonded cotton, Activated charcoal, Spray velvet
Ventilation system material: Activated Charcoal
Color: As picture shows
Length: About 21.6" (55cm)
Height: About 11" (28cm)
Weight: 50g
One size fits all: Stretchable
Suitable for: Haze days, Cycling, Skiing, Skating, Anti-dust and other outdoor activities.
Package includes:
1 X Bike cycling face neck warm mask