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