[Relieve Pain, Prevent Injury]: This lumbar belt relieves back pain. It provides better support for your back and prevents injuries during heavy work or daily activities. It can also be used to treat sciatica, back pain caused by scoliosis, herniated disc, or degenerative disc disease [Mesh Material, Lightweight and Breathable]: This lumbar belt is made of lightweight, breathable fabric with a breathable mesh structure. The soft material makes it comfortable to wear. It can be worn under or on top of clothing to suit different body types; Suitable for training and everyday use, but does not encourage strenuous exercise during recovery [Arc-shaped aluminum strip, long-lasting support]: The back of the lumbar belt is made of curved aluminum strips, perfectly matching the back. It provides enough lower back support to keep the waist straight, correct posture and stabilize the spine [Adjustable Double Compression Straps]: The extra adjustable double compression strap is equipped with Velcro straps to further improve stability, protect the lumbar spine and prevent further damage. It can be adjusted to your level of support and comfort, depending on your needs [Size]: M:Length 90cm, suitable for waist 60-73cm L:Length 100cm, suitable for waist 73-90cm XL:Length 110cm, suitable for waist 90-100cm