Features: 1.Multi-level design with 3 settings adjustable arch. Sliding lever is liftable, and easy to press and lock. Choose different level freely by your suitable arch, make you feel highly comfortable. 2.Ergonomic design, it not only can be used as back pain stretcher, but also can be used as Lumbar Support Pillow and Abdominal Mat for all motion workouts. Put on the sofa or chair, shape and size fully support lumbar with simple operation. Better than other complicated devices. 3.Easy way to gently stretch your entire back. 4.When lying down on Lumbar Stretcher, gravity allows the front of your body to effortlessly stretch out and the surrounding muscles start to relax, gently decompressing the discs in your vertebrae, realigning the spine, relieving tension. 5.The Back Massage is designed to make stretching your back easy, safe, affortable and enjoyable. 6.Compact in design and portable - can fit nicely in luggage. Notice: Actual color may be slightly different from the image due to different monitor and light effect Please allow 1-3cm deviation due to manual measurement Specification: Material:ABS Size: About 38.5x25.5cm The recommended time of use is 5-15 minutes each time. The stretching time and strength are mainly based on the individual39;s own conditions based on feeling comfortable and without obvious discomfort. It is recommended to use 2-3 times a day. Package List: 1x Back Stretcher