1Stretch and relieve the tension around the lumbar, provide a good rest for the damaged lumbar annulus. 2Relieve pain and stiffness in the lower back. Suitable for people with low back pain, sciatica, and lumbar disc pain. 3Reduces muscle fatigue and swelling, increases blood circulation, and helps you get immediate and lasting relief from disc herniations, sciatica, and other back ailments. 4Can be used in activities or for rest and relaxation, such as walking, sitting, lying down, gardening, playing, working, driving, etc. 5Light and comfortable, suitable for both men and women to use, made of quality PU leather.