Improve Grip Strength: The Hand Workout Egg Set Is Ideal For People With Weak Grips: Offers An Easy Way To Increase Hand Strength And Is Perfect For Those With Stiff Joints In Fingers, Hands And Wrists. Perfect For Physical And Occupational Therapy, This Set Of Grip Trainers Uses Squeezing, Squeezing, Rolling And Stretching To Improve Flexibility And Strength To Relieve Joint Pain. Squeeze Stress: Perfect For Relieving Tension And Eliminating Boredom, The Hand Exercise Egg Acts As A Stress Ball To Promote Calm And Reduce Anxiety And Stress. This Hand Therapy Ball Set Is Perfect For Use As A Quiet Sensory Outlet For Adhd And Autism, Classrooms, Offices And Homes. Four Resistance Levels: Color-Coded For Easy Identification, The Hand Workout Egg Set Consists Of Four Soft And Easy To Hold Hand Eggs, Soft, Medium, Firm And Super Firm. Progressive Resistance Levels Make The Suit Perfect For Therapy And Interval Training. Perfect Fit For Your Hands: With Finger Grips For Non-Slip Hold, Each Ball Measures 3.5 "X 2.5" X 2 "And Is Unisex. Made With A Strong, Rip-Resistant Thermoplastic Elastomer, This Soft Stress-Reducing Egg Is Skin-Friendly, Odorless And Easy To Clean As Needed. Guarantee :60 Days Warranty, Now You Can Buy With Confidence.