Overview: All in one back stretcher, posture corrector and lumbar support. Designed to make stretching your back easy, safe, comfortable and enjoyable, it is a preventive care device for your spine. Just fix it to the one that suits you the most, lay it on the floor for you to stretch when you have a rest or even put it on a chair when you're sitting for long hours! Helps you relax according to the physiological curvature of the human spine design 3-level adjustment of arch shape for greater reach Improve flexibility in shoulder and back muscle for relieving muscle tension, promoting the blood circulation and easing the feeling of fatigue Correct postural imbalances and relieve chronic back pain effectively Specification: Size: 37*65CM Weight: 800g Guidance: Simply use for 5 minutes, twice a day for optimum results Package Content: 1 x Back massage stretcher