[Product Information]

MATERIAL：Mesh cloth， soft texture， comfortable to wear， lightweight
FUNCTION：Our life environment， full of harmful substances，Such as Dust ，chemicals， fumes and Microbial granules，this type filters Can isolate The large amount of dust， Fighting the haze of Sand - dust weather， prevent the occurrence of respiratory diseases
GENERAL SIZE：General size， stretchy and adjustable
DESIGN：Unique ventilation design， a plurality of holes， excellent permeability， Exhale， the valve is opened without resistance， double air breathing valve， air resistance is smaller， smooth breathing， Perfect for spring， summer， autumn and winter wear
USER：Suitable for most people size can be adjusted to meet the most head type. According to the person face design， keep out the bridge of the nose the following part， Using Upgrade PVC memory reset nose pads， Arbitrary break constantly， without distortion， Effective fixed， to prevent the slide