Foldable Cervical Neck Traction Device - Designed to relieve cervical pain and tension, Siwei neck traction device offers you adjustable support to the cervical spine, helping to relieve headaches, stiffness or dizziness. In addition, it can correct incorrect sitting posture and relieve fatigue and stress while working. * SIZE: 12" TO 17" AROUND THE NECK* ADJUSTABLE & COMFORTABLE TRACTION DEVICE - You can adjust the amount of air in this inflatable neck brace to get optimal support, and two Velcro fasteners allow you to adjust the tightness , so that he does not suffocate you or cut off your breath. The surface material is incredibly soft and breathable flock fabric, which is very comfortable when wearing. Lightweight neck pressure collar - When you go out, the neck relaxer can be easily deflated and put into your bag or suitcase without taking up much space. take You can stretch your neck to relieve pain almost anytime and anywhere, no assembly required. Just enjoy the comfort and convenience that our neck decompressor offers you. CHIROPRACTOR RECOMMENDED NECK EXTENDER - The inflatable neck stretcher is made of high quality material and can effectively provide spinal alignment and chronic neck pain relief. With this simple neck pillow you can relieve nervous tension at home and reduce unnecessary visits to the physiotherapist when you get better.