Harbinger Chalk Balls will greatly improve your grip while weight lifting, doing gymnastics, rope climbing or doing the WOD at your Cross Fit box. They produce much less dust than loose chalk and will last on your hands longer. The chalk is 100% Magnesium Carbonate and comes in a refillable pouch.

• 100% pure magnesium carbonate chalk
• Refillable pouches produce less dust than loose chalk
• 1 ball per package

 Photos are for Illustration purposes and come as a Single Chalk Ball per Package