1.Comfortable material: the thumb splint is made of polyester fabric, aluminium alloy, PVC, Velcro closure, skinfriendly, lightweight, comfortable and breathable. Keeps your hands dry even during sleep and everyday life and accelerates recovery. 2.METAL SPLINT BRACKETS This thumb brace provides relief and support for tired and aching thumbs. The metal splint keeps the thumb in the optimal position to provide relief and prevent further injuries. 3.Thumb and Wrist Pain Relief: thumb support can support your weak or injured thumb/wrist stably and continuously, provides relief from carpel tunnel syndrome, pain, swelling caused by arthritis, tendonitis, sprained hand, ligament tears, repeated strain injuries, etc. 4.PERFECT FIT The thumb band has been designed to fit both right and left hand. With two Velcro fasteners, you can be sure that the brace fits perfectly and provides better grip and comfort. Stabilisation of the thumb, thumb saddle joint and wrist joint.