1. **Function** - Neck and back stretching and relaxation: Years of hard work, long - term sitting, and poor posture may cause pain by squeezing the intervertebral discs. This product has an arc - shaped stretching design that can support the spine, perform physical traction, and relieve lower back pain. - Simple steps: By lying on the lower back relief device for 10 minutes every day, one may gradually address the root cause of discomfort and eliminate severe neck and back pain at home. - Neck and back stretcher: It can reduce the harmful tension caused by disc compression, helping you have a healthy and pain - free back. - Back and neck stretching posture corrector: This product can naturally restore a good curvature of the spine and train the muscles to maintain a healthy posture over time, thereby reducing stress on key areas. - Easy to use: The back stretching posture corrector can be used on the floor, bed, or chair to prevent further injury and correct posture. 2. **Specifications** - Material: EVA - Colors: Pink, blue, purple, gray - Dimensions: 30 x 25 x 10 cm - Weight: 320 grams 3. **Package contents** One neck and back stretcher