Stroke patient rehabilitation training The grip ball can be used for rehabilitation training for stroke patients with hemiplegia and strength training for hand injury patients.^ Finger Flexible Fitness The ball splint can also be used as a daily fitness device for the elderly to effectively help them exercise their hands and fingers.^ Built-in aluminum strip: Built-in curved aluminum strips, rehab training balls can keep fingers and wrists in functional position with two functions of indexing and training.^ Adjustable size detachable structure High elasticity and light weight, freely adjustable size, convenient for daily use. Removable structure makes it attractive to people. You can combine the grip ball according to your own needs.^ Comfortable material Made of high quality cloth material, which is soft, durable and comfortable.