1. [Relieve lower back pain] The back support frame contains four memory aluminum support frames, four times harder than the commonly used PP tape. Two steel springs are placed along the waist side to provide 360 stronger vertical support, prevent excessive muscle rolling and reduce disc pressure.2. [Suitable for wearing under clothes] Back support using 4-way stretch elastic material,3D knitting technology through different compression levels, to achieve excellent fit, breathing and comfort. The inner layer is made of velvet fabric for the ultimate baby skin silky touch, perfect for wearing on the inside.3. [Prevent Back Injury] Back supports with 2 elastic straps are designed to add extra compression at the waist to prevent back injury from lifting weights, standing or sitting for long periods of time, doing chores, work, etc. When wearing the back belt, it relieves lumbar muscle pain, disc herniation, sciatica, scoliosis, etc.4. [Intimate detail design] The two waist sides are designed with silicone anti-slip belts to prevent the waist support belt from rolling up when sitting, standing, bending or doing other activities. Touch fasteners with 2 elastic straps can provide strong adhesion far beyond your expectations. Made of PVC material commonly used in baby clothes, it will not scratch your skin or damage your clothes.5. Back support belt 6 support belts Breathable back support belt for men/women working, non-slip waist support belt 16 hole mesh for sciatica