The sciatica belt provides stability to the spine, helping to alleviate lower back pain caused by disc herniation, sciatica, scoliosis, and other spine problems almost instantly. The adjustable hip compression SI brace will help support your lower spine and hips to relieve pain, pressure and stress caused by pelvic instability or SI joint dysfunction. Made of elastic band and cloth material, the lower back support brace is breathable and comfortable to wear. There are 2 sizes for you to choose from. And it gives you a wide range to adjust the belt to fit your body. You can comfortably wear it during sports, other activities or even at night. Item Name: Sciatica Belt Material: Elastic Band, Cloth Features: Elastic Band, Comfortable to Wear, Anti-Slip Size Details: Size M: 109cm x 9cm(Approx.) Size L: 140cm x 9cm(Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Sciatica Belt