1Great for all kinds of sports, such as yoga, running, rotating bicycle, aerobic exercise, skipping rope, fitness, etc. 2The material is environmentally friendly and non-toxic, very comfortable to wear, light weight, durable and impact resistant. 3Providing additional back support, which helps maintain posture and conserve body energy, is very useful for reducing pain and reducing back and lateral injuries. 4Durable hook and loop fasteners, adjustable and comfortable to wear. It can accommodate men and women of different shapes, without slipping, moving or bending. 5Portable and easy to carry, suitable for fitness, arthritis, muscle pain, lumbar hernia.