Description: Eco-Friendly: Made of premium TPR material for a soft touch. Easy to clean, flexible and no deformation. Function: This grip ball not only strengthen your finger, arm, wrist efficiently, also works to . Occasion: Perfect for patient daily training, palm massage, recover from a fractured or broken wrist, carpal tunnel, tendonitis grip training, stroke hemiplegia help training, etc. Compact Size: Our finger strengthener ball are portable and lightweight, convenient for carry around you. Suitable for school, home, office, etc. Practical Gift: An great gifts for elderly, children or adults. Help preventing tension, increasing limberness and alleviating joint pain. Specification: Material: TPR Material Whole Size: 11.5x11.5cm/ 4.5x4.5 inch Circle Size: Diameter 2.5cm/ 0.98 inch Ball Size: Diameter 6.5cm/ 2.56 inch Weight: 53g Package Includes: 2x Finger Strengthener Note: 1. Please allow 1-3mm error due to manual measurement. 2. Wish you a wonderful on-line shopping! Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-DIMEANI official store