Magic is a high performance, reusable chalk ball. It comes in a permeable cotton fabric that holds and dispenses the highest purity Magnesium Carbonate on the market. Perfect for keeping in your chalk bag on its own or floating in one of Friction Labs loose chalk blends. Magic is designed to create as little mess as possible. It will also last significantly longer than the old chalk balls youre used to. Friction Labs is all about establishing the new standard in chalk, and Magic lives up to that expectation. Like all of their chalk products, you can trust that inside is the best performing, safest, and healthiest chalk anywhere.