ear-loop active carbon face mask with 4-ply

1. healthy and unexpensive
2.with outstanding quality
3.used in all kinds of virus protection

Active carbon face masks(4-ply)
Material: first ply  pp fabric   20g
              Second ply active carbon paper 35g
              third ply  filter paper 20g
              forth ply  pp fabric 20g                            
Size :      17.5*9.5 cm
Color:    blue, green, white
Packing: 50pcs/box , 40boxes/carton
Meas:     52*38*42cm

Specifications    Safe, comfortable, highly breathable    Non-woven, latex free, ideal for sensitive skin     Adjustable nosepiece, inner soft , round ear-loop     BFE>99%    Certificate: CE, ISO     Accept OEM production