Dust mask:

1.Size:60x55x52(cm)

2.Q.W/N.W:20kg/18kg

3.QTY:288pcs

4.User information: .Put the mask on to the face positon comfortably between nose bride&chin.

                               .Fasten the mask with the velcropads at the rear of your head.

                               .Cup both hands over the face & exhale vigourously..

                               .The tension the top or bottom edge of the mask can be adjusted by

                                rotatingthe velcrp pads.

If you want to have more information about our products or our company,please feel free to contact us.