1. **Function** - **Neck and back stretching and relaxation**: Years of hard work, long - term sitting, and poor posture can cause pain by squeezing the intervertebral discs. This product features an arc - shaped stretching design that can support the spine, perform physical traction, and relieve lower back pain. - **Simple steps**: Just lie on the lower back relief device for 10 minutes every day, and you can 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, allowing you to have a healthy and pain - free back and a smiling face. - **Back and neck stretching posture corrector**: This product can naturally restore the optimal curvature of the spine and train the muscles to maintain a healthy posture in the long term, 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