The first and original Bison Designs 3 oz. Chalk Ball? is the best athletic chalk to improve grip, for climbing, gymnastics and weight lifting. The exclusive mesh design dispenses just the right amount - prevents spills and lasts up to five times longer than loose chalk.Improves grip. Ideal for climbing, gymnastics, weight lifting. Mesh design dispenses just the right amount - no waste, lasts longer. 100% natural magnesium carbonate. No artificial fillers or additives. Baked at 400? F to ensure maximum absorbency. Wt. 3 oz.