PBPBOX 5pcs Round Hand Exercise Therapy Rehabilitation Ball Set for Hand Injury Arthritis Carpal Tunnel Stroke Rehab Stress Relief 5 Squeeze Balls for Grip Wrist Finger Hand StrengthDescription Are you stress out by the fast paced life? Do you want to find a way to relieve your sad feelings and work pressure? This relief exercise ball is specially designed for you to release stress in daily life and help you gain more confidence and passion of life. Moreover, it can also be used as therapy tool for Arthritis, Carpal Tunnel and Stroke. Feature Brand: PBPBOX. Color: Yellow, Green, Red, Yellow, Purple. Marerial: TPR. Size: Approx 5.