Maped pure dustless chalk residue falls down the board rather than floating through the air - this is one of the safest, cleanest and highest quality chalks available! It is pure, natural and has high quality ingredients. The careful manufacturing process produces an extremely dense chalk. This is done by using mined calcium carbonate and extruding (not moulding) into sticks. Maped chalk is non-allergenic to avoid irritating the sensitive respiratory systems of asthmatics or allergy sufferers. The chalk has vibrant colours and a smooth consistency - it is not too brittle, crumbly or too soft. A unique protective coating keeps hands clean. Available in a box of a 100 white or assorted colours.