GRIP : Each color has a different weight, help you focus, relieve stress and train hands, forearms and wrists.
TRAINER : Preventing tension, increasing limberness and alleviating joint pain.
SAFETY : The Hand Exercise Balls are made of a thermoplastic rubber, but do not have a strong rubbery odor and are washable in plain water.
APPLICABILITY : Great stress relief toys for adults and kids. Perfect occupational distraction for quitting smoking. Grip muscle training for beginner lifters.
LIFETIME WARRANTY : Unconditionally refund or resend with any problems, lifetime friendly customer service.
