Description: 1. Practicability: This TPR hedgehog ball is suitable for the elderly, such as rehabilitation people suffering from stroke, paralysis and diseases. It can help them train the strength of fingers and palms, and restore the flexibility of hand muscles and joints. 2. Multi-function: This product can not only be used as a grip training equipment, but also as a massage ball to soothe and relieve hand pain. 3. Safety and environmental protection: It is made of TPR environmental protection material, non-toxic, tasteless and harmless to human body. 4. Moderate strength: The hardness of the product is moderate, and the effect of grip strength training will not be obvious because it is too soft, and the user will not feel uncomfortable because it is too hard. 5. Lightweight and easy to carry: Hedgehog finger ball is small in size, light in weight, easy to carry, and can be trained or massaged whenever and wherever. Specifications: Material: TPR Size: As Shown In The Picture Color: Blue, Pink Package Includes: 1 x Finger Grip Ball Note: 1. Please note that the photo does not show actual size, please refer to Description for size details. 2. Please allow differences due to manual measurement, thanks. 3. Due to the difference between different monitors, the image may not reflect the actual color of the item.