Back & Lumbar Support Cushions Package include: 1Pcs * Elastic Waist Protection Specifications: Material: Spandex Color: Gray Size Chart: S Size:65-80cm/25.6-31.5in M Size:80-100cm/35.1-39.3in L Size:90-110cm/35.4-43.3in XL Size:100-120cm/39.3-47.2in 2XL Size:120-140cm/47.2-55.1in 3XL Size:135-155cm/53.1-61.0in About this item Relieve LOWER BACK PAIN Back brace contains 4 Memory-aluminum stays that are quadruple harder than the commonly used PP strips,and 2 steel springs placed along the waist side, offer 360 stronger vertical support to lower back,prevent excessive rolling of your muscles and decrease the pressure on your discs . Well wear under clothesThe back support made of 4-way stretch elastic material,3D knitting technology by different compression levels, for superior fit,breath and comfort. The inner layer is made of velvet fabric, giving an ultimate baby-skin-like silky touch,perfect for dressing internally. PREVENT BACK INJURIESBack support with 2 elastic straps are designed to add extra compression around lower back to prevent back injuries from weight lifting, long time standing or sitting, doing housework, working, etc. Relief waist muscles ache, disc herniation, sciatica, scoliosis etc when wearing the back belt. CONSIDERATE DETAIL DESIGN2 Silicone anti-skid bands are designed on the 2 sides of the waist,prevent the waist support belt from rolling up when sitting, bending or doing other activities.The Touch Fasteners of 2 elastic straps provides strong adhesion far beyond your expectations, made of PVC material that usually used for babies clothes,will not scratch your skin or damage your clothes.