1. Stretching and traction to improve the physiological curvature of the cervical spine 2. Point pressure particles, press and relax the muscles on both sides of the cervical spine 3. Downward pressure with elasticity and strong support 4. V-curve design, such as hands to support your cervical spine, fit both sides of the neck curve fixed without deviation 5. Concave and convex double-sided design, safe stretching progressively 6. Positive and negative two-way use, positive traction is weak, reverse traction to strengthen 7. Semi-hard PU material, full support, both supportive and cushioning 8. Material: polyurethane 9. Size: 24 x 15 x 12cm
