Onyx Neo Silicon Exercise Ball provide resistance which can help to build muscles in the fingers, hands and upper arm. It increases range of motion, finger dexterity and strength. Further relieves the pressure, tension and stress.
FEATURES & BENEFITS : -
Stress and tension reliever
Available in three level of resistance, that is, SOFT, MEDIUM and HARD.
Made from 100% pure silicon and is skin friendly, non allergic and shock absorber.
The product does not loses it consistency or shape even after years of use.