FrictionLabs Magic Reusable Chalk Sphere, 2.2 Ounce;

Friction Lab Magic Chalk Ball 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 our loose chalk blends. Magic is designed to create as little mess as possible. It will also last significantly longer than the old chalk balls you're used to.2.2 oz BallReusable