Chalky Balls: Pure magnesium carbonate chalk in mesh bags. Great for keeping chalk dust to a minimum at the gym and crag. Sold as individuals in either standard version or refillable version. Also available in a countertop bin with 10 chalk balls.
Chalk Blocks: Magnesium Carbonate chalk blocks. Eight individual blocks of chalk in one box. Each block is 2 oz. for a total of 16 oz. of chalk.