The item is a portable cervical traction apparatus, which is composed of three-tier full lint and PVC, and designed for treating and preventing neck fracture dislocation of vertebra. It can slow down the neck muscle strain and have a certain adjuvant therapeutic effect to cervical spondylosis. With portable design and easy to use, it is specially suitable for home use. Features - Color: Coffee - Material: PVC and lint. - Szie: About 22x25x20cm. - High quality, which is composed of three-tier full lint and PVC. - Separated three-pipe for air inflation at the same time. - Suitable for aging people, the white-collar workers who work in the front of computer for a long time, and other people who is susceptible to cervical spondylosis. - It is widely used in all kinds of cervical syndrome, and it has protecting, supporting and fixing functions to the patient. - Warm Tip: Dear buyer, Due to lighting effect,monitor's brightness,manual measurement and etc, there could be some slight differences in the color and size between the photo and the actual item. sincerely hope that you can understand Thank you