Product parametersMaterial: PVC+ flanneletteProduct color: brown, blue, brownUninflated dimensions: approx. 27x28cm-10.5x10.9 in. (l x H)Inflatable tube length: 34cm/13.3 inGross weight: 150gProduct featuresLight weight, easy to use, comfortable and safeAdjustable universal size for most men and women.Good for: people who spend a lot of time in computer, car, relieve neck, shoulder and back pain while working, studying, driving, etc.This comfortable and easy to use cervical traction device lengthens the neck muscles and often provides quick and lasting relief from the soreness and irritation that accompany cervical spine problems.Method of useWrap the air neck tractor around the neck, valve left, adjust the shape/position of the inflatable layer, and then close with the strap. First-time users should place it in front of a mirror.Make sure the rubber pad is in the right position. Tighten the charging/releasing valve of the inflator before manual pumping.Pump manually until comfort is achieved or the correct traction Angle and correct stretch/release amount as required by the doctor. Adjust left and right sides separately if needed. After achieving comfort and relief of symptoms, the adjustment is complete. When optimum pressure is reached, close the ball valve.The device can be used 2-3 times a day for a maximum of 20-30 minutes each time (but the main traction is only 1-3 minutes).After use, open the ball valve and gradually loosen the open air valve, so that the air slowly discharged. Do not squeeze the device.Start with gentle and moderate traction only once or twice a day, then continue with heavy traction when comfortable. Typically, a treatment cycle lasts 10 to 20 days. Easy to use when watching TV, working on the computer, reading, traveling, reclining or relaxing, etc.Do not fall asleep. Used as a neck guard in case of recent acute or sprained/strained injury. Only in case of serious injury, as directed by your doctor.