The world's most pure magnesium carbonate in a refillable chalk ball. Our chalk balls are the perfect size to fit in your hand or carrying pouch.
- Laboratory grade magnesium carbonate
- Made in USA
- Includes 1 chalk ball
- 3 oz. of PURE chalk in each ball
The world's most pure magnesium carbonate in a refillable chalk ball. Our chalk balls are the perfect size to fit in your hand or carrying pouch.