Used by climbers all over the world. Now used by lifters all over the world. Greatly improves grip for weight lifting rope climbing and gymnastics. Chalk Balls produce less dust than loose chalk and last longer. This stuff works and doesn't make a mess and its cleaner than your dirty sock filled with chalk.

• Before use the Chalk Balls should be crushed between hands or under feet. The crushed loose chalk stays inside outer sock and hands get chalked up through fabric.
• Chalk Ball is a refillable pouch.
• Two balls in each package
• Premium 100% pure Magnesium Carbonate Chalk
• Each Chalk Ball weighs 2-ounces