Rikagaku has been making dustless chalk for 79 years and holds the top market share for chalk in Japan. Made from calcium carbonate and recycled scallop seashells, our chalks do not contain any dairy or eggs and are safe for children who may be allergic to milk or eggs. Kitpas, is a completely dustless writing utensil that leaves no residue on your hands. The Kitpas writes vibrantly but can be easily erased with a damp cloth. We have made an effort to employ people with intellectual disabilities for the past 57 years. (less)