Features 1、To recover the curvature to pull apart the interspace of centrum for the purpose of allaying the compression, thus eliminating the symptom. 2、Fast neck pain relief – Without medication, relieve neck pain, shoulder pain, strains, whiplash, tension in head /u0026 cervical vertebral area. 3、Powerful traction via hand pump to ease neck muscles and pinched nerves, to stretch cervical vertebrae, more traction and more strength. Specification This product can help people relieve the pain and pressure on neck and shoulder effectively. The material was carefully selected to provide comfort and best effect. Features: To recover the curvature to pull apart the interspace of centrum for the purpose of allaying the compression, thus eliminating the symptom. Fast neck pain relief – Without medication, relieve neck pain, shoulder pain, strains, whiplash, tension in head & cervical vertebral area. Powerful traction via hand pump to ease neck muscles and pinched nerves, to stretch cervical vertebrae, more traction and more strength. Restores and maintains physiological cervical curve; At the same time, it stretches your stiff muscles around the neck and shoulders. Unlike drug treatment and surgical treatment, this neck brace cervical tractor is based on physical therapy, without any harm to the body. It also helps to improve the blood supply for vertebral artery and brain. Specifications: Outside material: PU Inside material: Advanced textile cotton Advanced textile cotton: TPU Neck support part: PVC Color: White Flat size: 47*22±3cm (18.5*8.7±1.2inch) After aerate: 47*24±3cm (18.5*9.4±1.2inch) Package size: 22*17.5*19cm/8.6*6.8*7.5inch Package weight: 444g/15.6oz Note: 1.Do not wear it too long for the first week. 2.It is not suitable for wearing it when sleep, or it may cause bad blood circulation. Packing list: 1 * Cervical vertebra tractor 1 * Air Pump 1 * User manual Package List 1 * Cervical vertebra tractor 1 * Air Pump 1 * User manual