[Relief of lower back pain] The back support includes 4 memory aluminum struts, which are four times harder than the commonly used PP bars, and 2 steel springs placed along the waist, which provide 360 stronger vertical support for the lower back, prevent the muscles from rolling excessively, and reduce the pressure on the intervertebral discs. [Close fitting] The back support is made of 4-way stretch elastic material and adopts 3D knitting technology with different compression levels to achieve excellent fit, breathability and comfort. The inner layer is made of velvet fabric, giving an extremely silky touch like baby skin, which is very suitable for wearing inside. [Prevention of back injury] The back support has two elastic belts, which can increase additional pressure around the lower back to prevent back injury caused by weight lifting, standing or sitting for a long time, housework, work, etc. When wearing the back safety belt, it can relieve the waist muscle pain, intervertebral disc protrusion, sciatica, scoliosis, etc. [Consider details] Two silicone anti-skid belts are designed on both sides of the waist to prevent the waist support belt from rolling up when sitting down, bending down or doing other activities. Two 1.5 "* 3.7" wide elastic belt tactile fasteners provide stronger adhesion than you expect. They are made of PVC materials commonly used for baby clothes, and will not scratch your skin or damage your clothes. [Durable] The waist support adopts double stitches, and the quality is strictly controlled. It is very durable. Product Description Rear brace Rear support 6 support rods and double adjustable elastic bands The back support can reduce the body's load on the lower intervertebral disc of the spine, make the weight distribution more uniform, and reduce pain. When you lift heavy objects, it can also support your back. The double-layer design and adjustable compression design create a customized fit. Working back support Rear brace backache Men's back brace 16 hole mesh material Lighter and more breathable than other materials. High viscosity contact fastener It is usually used for baby clothes and will not scratch the skin or damage the clothes. 2 silicone anti-skid belts Prevent the back support from moving up. Product size: S-size waist 60-75cm, length 89cm. Size M Waist 75-95cm, Length 106cm. L size waist 95-115cm, length 120cm. XL Waist 115-125cm, Length 127cm. XL waist 125-145cm, length 150cm.