Description: Material: Style A/B/C is made of breathable mesh fabric, filled with air cotton, comfortable and soft, breathable and adjustable, D ring design, Style A is widened and thickened, and can be used in any body shape, Style B can bear 150kg, Style C bear 250kg. Style D is simple, strengthen with arm pads, Style E does not have arm pads. Function: This traction belt can effectively relieve back pain from muscle spasms, herniated discs and spinal injuries, increase range of motion,effective Stretching & Treatment, helps your spine to decompress. Principle: While you decompress your muscles elongate, pressure is taken off nerves, your discs are able to reabsorbs water and nutrients Quick Installation: Fast set up in 10 mins by instruction manual, and stretch for 5~10 mins everyday to release your spine. Suggestion: Please stretch for 2~5 minutes at the beginning, and then continue to stretch after a short rest. Try more and find the stretching method that suits your body. Specification: Material: Air cotton+Composite mesh Package Includes: 1 Piece Lumbar Traction Device Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful online shopping!