L: Fits your waist size 34-38 inch. ?Back Brace for Lower Back Pain?Back support belt is designed to give you immediate relief from herniated disc, sciatica, muscle spasms, scoliosis, arthritic, osteoarthritis, lumbar strains, aching and other spine problems. Back brace posture corrector eases your low back pain and spine stress comfortably. ?Lumbar Support Brace for Men Women?Back brace lower back with 3 detachable metal support plates, lumbar support belt is stronger and more flexible, keeps your back straight to relieve pain. ?Dual Adjustable Back Braces?Back brace for work have one-piece high-elastic fabric with durable adhesive cloth provide wide compression for your lower back. The high-quality thick-bottom material can directly touch the skin. ?Well Wear Under Clothes?Back brace is made of thin and light material. No one will find, it is more convenient for work, lifting, exercise, housework and heavy lifting.