Fabric154% Nylon 37.4% Polyester 8.6% Spandex Fabric1288% Nylon 12% Spandex [FSA & HSA EligibleRelief neck pain in just 10 minutes]Our cervical spine curve design matches the cervical spine, offering vertical, horizontal support, and curvature stretch for neck traction. This positions the head to reduce spinal pressure, support the cervical spine, and help the C-shaped curve of the neck. [High Quality Memory Foam] This cervical neck traction stretcher device is made of high-density memory foam. The firm and sturdy base offers a strong support for the cervical spine. neck traction device is durable and not easy to deform, stretching assisted by gravity, creates the amount of traction needs according to your body weight. [Who Need Cervical Traction Device?] Are you suffering from neck pain? Prolonged bowing your head, sit still for a long time, improper sitting posture, stiff neck will cause your neck pain. You need a simple and effective physical solution, associated with consistent use, to help relieve neck pain and pressure, sore muscles. Relief neck pain in just 10 minutes.(Can't be used as an ordinary pillow all night long) .NOT FOR PREGNANT WOMEN, MENSTRUATING WOMEN, CARDIAC PATIENTS, DIABETIC PATIENT