Back Braces for Lower Back Pain Relief with 6 Stays, Breathable Back Support Belt for Men/Women for work , Anti-skid lumbar support belt with 16-hole Mesh for sciatica(L) The back support contains 4 memory aluminum supports that are four times stiffer than commonly used PP strips, and 2 steel springs placed along the waist side to provide 360 stronger vertical support for the lower back, preventing over-rolling your muscles and reducing your pressure of the intervertebral disc.The back support is made of 4-way stretch elastic material, and the 3D knit technology provides superior fit, breathability and comfort through different levels of compression. The inner layer is made of velvet fabric for the ultimate baby-skin silky feel, perfect for layering.The back support with 2 elastic bands is designed to add extra pressure around the lower back, preventing back injuries from lifting heavy weights, standing or sitting for long periods of time, doing housework, work, etc. Relieve low back muscle pain, disc herniation, sciatica, scoliosis, etc. when wearing a harness.There are 2 silicone non-slip straps designed on both sides of the waist to prevent the lumbar support belt from rolling up when sitting, bending or doing other activities. 1.5"*3.7" Wide Size Touch Fastener 2 elastic bands provide strong adhesion far beyond your expectations, made of PVC material usually used for baby clothes, will not scratch your skin or damage your clothes .