• Soft hand exerciser ball used to improve grip strength, hand dexterity, and motor skills
• Non-messy alternative to hand putty or stress balls
• Can be heated or cooled to provide therapeutic relief while performing exercises
• Great training tool for athletes that want to improve hand strength and finger function, such as tennis players, golfers, rock climbers, and more
• Color-coded resistance levels offers the individual options based on their current strength.

Extra Soft- Yellow

Soft- Red

Medium- Green

Firm- Blue

Extra Firm- Black