Size: universal size
Color:grey, red.

How to use it:
1, when using the neck tractor, openings in the front, through fastening neck circumference size adjustment.
2, tightening the inflatable deflated nut on the ball, loosen the gas check, to the neck tractor bladder filling.
3, using inflatable ball pump up until the patients feel comfortable, pushing the gas valve and tighten vent nut.
4, traction time according to the illness needs, general drawing for 15 to 30 minutes at a time, one to two times a day.
5,After  traction, loosen the check valve and deflated nut, slowly deflated.