Cervical Neck Traction Device Over Door helps reestablish motion in the neck, aiding in the relief of stiff, sore neck pain by gently stretching your neck, separating spinal discs and taking pressure off of your spine. Rehydrate spinal discs and restore the natural curve of the neck. Unique spring design - This spring is installed between the door anchor and the rope, which can cushion and absorb shock well to avoid neck and spine strain. Door stop included for over the door use. It is compatible with most standard door heights, easy installation and setup. Height adjustable for any user, one size fits all. Lightweight & Easy to use - The Neck Stretcher is lightweight, portable, and can be used not only at home, but also in the office or on the road. No more chore of making multiple daily visits to your Chiropractor. Highly Recommended by Chiropractor - Many chiropractors endorse physical therapy device. The cervical traction device effectively helps decompress the spine while relieving sore aching muscles. Most importantly, the neck stretcher enhances the flexibility of the neck muscles and the range of motion of the neck. Colour: Black + White Material: plastic Package Contents: 1 x Neck Brace Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.