[Relieve back pain] The lumbar support belt effectively relieves back pain caused by sciatica, scoliosis, herniated disc, degenerative disc disease, sprains, osteoporosis and loose ligaments. It is also recommended for sports, heavy work and daily housework.Double layer and better lumbar support: 4 built-in support pillars, positioned in the center on the lumbar spine, fix the lumbar spine in the correct position. The built-in spring bar provides stronger support for the waist and back, improves posture, and supports the treatment of back problems.[High adaptability and compression] The dual adjustment straps ensure customized fit and compression, minimizing the distance between the orthosis and the body, thereby relieving pressure and pain.[Ergonomic design, non-slip] This back support with curved sides provides firm and comfortable support in the lower back area without feeling severely restricted. Avoid slipping and shrinkingSize M: Waist 65-70cm