1. Place of origin: Mainland China 2. Efficacy: Bone care 3. Product type: Protective gear 4. Model: Lumbar support belt 5. Quantity: Single piece 6. Material: Composite material 7. Applicable part: Back 8. Features: - Relieve lower back pain: This back support contains 4 memory aluminum strips, which are four times as hard as the commonly used PP strips. It also comes with 2 steel springs on both sides of the waist, providing 360-degree stronger vertical support for the lower back, preventing excessive muscle swaying and reducing intervertebral disc pressure. - Can be worn inside: This back support belt is made of 4-way stretch fabric using 3D weaving technology. Through different compression levels, it fits the body, is breathable and comfortable. The inner layer is made of velvet fabric, bringing a silky touch like a baby's skin, which is very suitable for wearing inside. - Prevent back injuries: The back support belt is equipped with 2 elastic straps, aiming to provide additional pressure on the lower back and prevent back injuries caused by weightlifting, long - term standing or sitting, housework, work, etc. Wearing this belt can relieve lower back muscle pain, herniated discs, sciatica, scoliosis and other problems. - Thoughtful detailed design: There are 2 silicone anti - slip strips on both sides of the waist to prevent the lumbar support belt from rolling up when sitting, bending or doing other activities. The 2 elastic straps use widened Velcro, with much stronger adhesion than expected. They are made of PVC material commonly used in baby clothing, not scratching the skin or damaging clothes. - Durable: The lumbar support belt uses double - stitching technology, with strict quality control and is very durable. 9. Size: Measure the waist circumference at the level of the navel. - Size S: Suitable for waist circumference 60 - 75 cm/23.6 - 29.5 inches. - Size M: Suitable for waist circumference 75 - 85 cm/29.5 - 37.4 inches. - Size L: Suitable for waist circumference 95 - 115 cm/37.4 - 45.3 inches. - Size XL: Suitable for waist circumference 115 - 125 cm/45.3 - 55.1 inches. - Size XXL: Suitable for waist circumference 125 - 140 cm/55.1 - 66.9 inches.