الوصف

Stress balls are designed to increase peoples hand strength &flexibility ect.
Squeeze it by you hand, it has a soft, squishy feeling.
Then release it,it will come back to the original shape soon.
It also can relax yourself, Every busy worker can use a stress ball when you're stressed at work. Suitable as promotional gifts for adult and children of age 3+


For more styles and informations, pls visit happyiu dot com