Stress Balls for Adults, 3 Pcs Finger Grip Ball Silicone Hand Grips Strengthener Hand Exercise Ball for Muscle Training, Sports, Rock Climbing, Fitness (3 Colors)

3 Resistance Levels – Pink (Level 1 – Approx 5kg) | Blue (Level 2 – Approx 14.5kg) | Green (Level 3 – Approx 18kg).
【Use Anytime and Anywhere】Finger grip ball shape in line with human palm, moderate size, non-slip handle, bump massage design,can tap the neck, shoulders, legs and other parts of the body. Suitable for men, women, seniors, and teenagers to use anytime.
【Built To Last】Hand grip strengthener made of environmentally friendly thermoplastic rubber (TPR), not easy to tear, they are strong and durable. Perfect for Guitar Finger Strengtheners, Rock Climbing Grips, Piano, Physical Therapy Workout, Grappling Martial Arts, Gymnastics, Golf, Hockey.
【Easy To Use】squeeze, hold, release and repeat in your palm thumb and all fingers. It is portable and easy to clean, you can put it in your pocket or handbag so that you can use it anytime and anywhere.
【Relieve Stress】Hand exercise ball with nice size is easy to carry and hold, very suitable for office workers and students to relieve stress and improve work and study efficiency.