Back massager is made of very tough ABS plastic and equipped with different settings to completely stretch and relieve lower back pain. It’s designed for stretching your back easily and safely. It is used to help relieve allĀ chronic back pain and CORRECT POSTURAL IMBALANCE, RESTORE THE NATURAL CURVATURE of the back and improves the flexibility of shoulder and back muscles. Back massager was made of very tough ABS plastic and equipped with different settings to completely stretch and relieve lower back pain. Just use for 5 minutes twice a day for optimal results. Adjustable: there are 3 different levels, just choose the one that fits you the most, put it on the floor, bed, or on a chair…. Lay Back And Get Your Desired Relief.