Sportime Strength Medicine Ball in blue/black color is solidly built for upper body and core exercise. 6.6 lb Ball is safe for use by students of all ages without harming floors or equipment. Ball with long-lasting synthetic covers, tightly filled to maintain roundness offers multiple workout options for arms, shoulders, wrists, hands and core-strengthening.

• Solidly built for upper body and core exercise.
• Some softening of the ball will eventually occur, but the exercise utility will not change.