Product Description: These chalk balls features our ultra fine magnesium carbonate, wrapped up in a highly porous mesh fabric which provides the perfect amount of dispersion and coverage! Our chalk contains no fillers, no rosin and wont over-dry your hands. We also committed to lowering our products impact by using paper packaging printed with natural soy ink. Please recycle! Features: Rosin-free / no fillers* Refillable Recyclable paper packaging Printed with non-toxic, soy-based inks to enhance sustainability