Feature: 1. Convenience and Comfort: The arc shaped aluminum strip is concealed inside, which is soft and comfortable and full of elasticity. 2. Dual Functions: Fix fingers and wrists in functional positions, with dual functions of finger splitting and training. 3. Removable: The grip ball with the finger hole sleeve can facilitate the user to grasp the ball, and the ball finger hole sleeve can be detached. 4. Strength Training: Separate and train fingers; increase finger flexibility; prevent finger joint deformation and muscle atrophy. 5. Wide Range of Application: Suitable for stroke, cerebral hemorrhage, cerebral thrombosis, cerebral palsy, cerebral trauma, cervical spine, etc. Specification: Item Type: Rehabilitation Ball Material: Ok Fabric Product Size: Wrist Length Approx.28cm/11in, Rehabilitation Ball Diameter Approx.9cm/3.5in (Regardless of Left or Right) Product Function: Prevent finger flexion spasm, prevent joint deformation and deformity. Controls the increase in flexor tension and muscle atrophy of the big fish. Prevent finger joint erosion. While fixing the finger in the functional position, it assists in training the flexibility of the finger joints. Use Range: Cerebral trauma, cerebral palsy, paraplegia, cerebral hemorrhage, sequelae of cerebral infarction, various craniocerebral surgery or hand dysfunction caused by parkinson's disease and peripheral neuropathy. In addition, it can be used in patients with muscle weakness, abnormal limb tension and brain nerve injury.. Package List: 1 x Five Finger Wrist Sleeve1 x Rehabilitation Ball Note: Manual measurement has 1‑2cm/0.4‑0.8in error.