The Pure2IMPROVE back extensor is an extremely effective tool for preventing back problems and strengthening the back muscles. With its unique design, it offers the longed -for relief for the back. He gently reduces the pressure, relieves pain, increases flexibility, improves posture and at the same time grants a stable and yet comfortable hold. , product information, reduces gently pressure, relieves pain, increases flexibility and improves posture, relieves relief from the back and prevents back problems, strengthens the back muscles, from durable and durable materials