Keenso Hand Grip, Grip Strengthening Stress Relief Ball Therapy Wrist Finger Strength Exercise Ball(Yellow)

RELIEVE JOINT PAIN-- Aimed to relieve joint pain, stress, muscle tension from computer work, basketball-playing, badminton-playing, and so on. With its small volume and ultra-light weight, you can massage you hand by squeezing, rolling, and pressing this ball anytime, anywhere. COMFORTABLE TOUCH & FONDLE ADMIRINGLY-- Made of high quality elastic material and textuRed surface, and gives a fantastic and comfortable touch feeling, bring good mood for you. APPLICABLE TO A WIDE RANGE OF PEOPLE-- Perfect for training flexibility of fingers against stiffness and doing rehabilitation training, exercising hand muscle and enhancing hand strength. Suitable for those people, who are rock-climbers, body-builders, computer-workers, badminton and pong lovers, etc. 5 DIFFERENT HARDNESS TYPES-- This product has five different colors for you to choose, and their hardness are slightly different from each other, specifically, they become harder in this color order: Yellow, Orange, Red, Blue, Green. KEENSO SERVICE GUARANTEE-- We have professional, premium aftermarket replacement. Any problem of this product, you can send emails as soon. We will provide you excellent customer service and satisfaction warranty. BUY WITH CONFIDENCE!