270mm long when unfolded

165mm long when folded

108mm wide

Four layers of protection
The first layer: non-woven outer layer, can filter most particles
The second layer: Electrostatic spray melting non-woven fabric to isolate PM2.5
The third layer: KN95 filter grade, further isolate bacteria
The fourth layer: strengthen filtering fine dust

Nose bridge design makes it easier to adjust and reduces the inhalation of harmful substances
Ear hook design, flexible and comfortable
Superb craftsmanship, large space, no need to worry about sticking to lips

Please contact us if necessary

http://www.uniontop.net/