back massager spine lumbar support stretcher posture corrector stretch equipment

features: - & durable materials - the back massage is designed to make stretching your back-easy, safe, affortable and enjoyable. - easy to use at home treatment for spine problems. - preventive care device for your spine. - multi-level adjustment arch for greater reach. - compact in design & portable, can fit nicely in luggage. - function: relieve chronic back pain, correct postural imbalances, restore the natural curvature of the back, improve flexibility in shoulder and back muscle.