Description: Ergonomic design includes an arch with 3 adjustable settings for use by any age Relieves back pain, it relieves back and neck pain due to tight muscles, excessive flexion and poor spinal alignment. Features: 5 minutes twice a day of using this back stretcher is able to help relieve tension & Effective in treating pain from muscle spasms, pinched nerves, herniated discs, sciatica, degeneration, tight knots, excessive flexion and more Helps relieve neck pain & posture correction: preventive care for your neck and posture. daily activities involving extended use on the computer, sitting all day, or physical activities can lead to spine and posture imbalances. Designed for people of all ages. Ergonomic design includes a multi-level arch with 3 adjustable settings so that all ages and fitness levels can b-enefit from using and improve flexibility. The compact design of this stretcher allows you to carry it almost everywhere. Ideal for use at home, gym, office chair, in the car or yoga mat. A perfect gift for husband, wife, friends, co-workers and so on Specifications: Name: Neck Traction Massager Material: ABS Color: Black Type: 1 (without Magnet) Item Size: 38 * 25cm / 14.96 * 9.84in Package Size: 41 * 26 * 8cm / 16.14 * 10.23 * 3.14in Package Weight: 787g / 27.76oz( 1) 854g / 30.12oz( 2) Package List: 1 * Neck Traction Massager 1 * User Manual