Our 3D PAD Plus lumbosacral corset belt with adjustable pulley system decompression back brace apply to chronic low back pain, sprains or strains, sciatica, spinal stenosis, bulging or herniated discs, spondylolisthesis, fractured vertebrae, osteoporosis, post-operative fusion, facet syndrome, hyperlordosis, laminectomy, and lumbar discectomy surgery. The lumbar belt is very suitable for lumbar protection and the posture of people sitting or standing for a long time, such as drivers, office workers, salesmen, heavy loaders, gardeners, cooks or housekeepers. FEATURES Back panel height can be adjustable,T11-S1,L1-S1 or L1-L5 vertebrae area suitable most people. Extension Belt for free available, whether you are getting fat or thin or giving a gift for anyone, as long as the waist is within 23-67 inches, you can buy it with worry-free. The unique 3D pad raised design fits the back spine perfectly for compression. Multifunctional LSO back brace, 2 styles can be switched at will. The easy-to-adjust pulley system is ideal for those with less strength. Lightweight design for freedom of movement Available sizes for different waist sizes, 23-67''(58 -170cm), suits most body types. Product parameter: Name: Adjustable LSO Back Brace Weight: 600-700 g Height in the back: 11.8-13.5'' (30-34.3 cm)（Can be adjustable） Height in the front: 7.5'' (19 cm) Packing list: LSO back brace × 1 Extension belt ×2 Use manual ×1