Highly effective for reducing neck pain and fatigue caused by prolonged sitting while traveling via plane, train or car Also used while sitting at home, allowing you to sleep with all kinds of opinions and help relax after a long day of work. Perfectly designed to support the cervical and vertebrae in a perfect way. -+- WARNING: Before you buy the product, please check the seller name first which is (HT Medical ) if not, do not buy the product, if you purchase we are not responsible for the quality of the product you received, please note