Based on the air-traction, this Neck product is designed and developed for the prevention and treatment of cervical vertebral disease and neck muscle relaxation. It is easy and convenient to operate, safe and effective. It can effectively aid the tre

Composition: top grade composite spandex Feature: highly supportive and extremely effective, convenient to wear, tightness adjustable. Function: designed to help stabilize the lumbar spine, correct posture as well as help relieve back pain. Specif