Cervical Spine Stretch Gravity Muscle Relaxation Traction Neck Stretcher Shoulder Massage Pillow" is the perfect solution for relief from neck pain in just 10 minutes. Its simple and effective physical solutions help soothe away stiff neck and restore the proper cervical curvature associated with consistent use. This pillow is made of dense and soft foam which provides a sturdy, lightweight and comfortable base. Please note that it cannot be used as an ordinary pillow all night long. It normally takes 1-3 days to adapt to this pillow, as your neck needs time to familiarize itself with the new corrector curvature. After adapting to it, you will enjoy an extreme comfort! Please do not use it for more than 5 minutes for the first time and it is not a substitute for daily pillow use. Product Details Brand Name: Lingpeng Material: Polyurethane Department Name: Unisex Type of Sports: Muscle Relaxation Training Site: Other Model Number: Cervical Spine Stretch Pillow Note: Due to the difference in display and lighting effects, the actual color of the item may be slightly different from the color shown in the picture. Please buy according to the picture color!