JMbeauuuty Finger Grip Ball, Stress Balls for Adults Hand Exerciser Grip Strengthener Muscle Strengthening Training Tool for Adults, Elderly People and Children

Safe & Superior Material – This hand exercise ball and grip strength set is made of high-quality TPR. Stress balls are whippy, flexible, will keep its original shape after repeated stretch for long-term use.
Finger Grip Strengthener – The hand gripper sensory balls help improve your overall grip strength, relieve spasm finger, numb, promote blood circulation, recover from injury, or increase your finger strength. Perfect for athletes, musicians and physical therapy patients.
Comfortable Fit – Size: 12.3×6.8×9.3cm / 4.8x 2.6x 3.6inch. Hand Grip Strengthener Ball is a nice size and easy to grip and train, the ergonomic ball design fits better in your palm, has a good anti-slip effect.
Best Exercise Tool – The Hand Strengthener is a perfect gift for family and friends. Use anytime, anywhere, such as on foot, travel, office, school, watch TV or any place you want to exercise.
After-Sales Support – Please feel free to contact us directly through email once you find any questions, we will offer the professional after-sales assistance service for you.