Lumbar sacral support helps alleviate pain caused from muscle strain by relieving stress on the lower spine. This popular support is exceptionally strong and durable. Back panel is made of perforated vinyl with a soft cotton lining. Strength is achieved with four contoured rigid stays. Metal stays can be shaped for a customized fit. Double front closures are made of high quality elastic and soft foam. Unique double closure design allows for a contouring fit around waist and hips. Measure around the fullest part of abdomen.