Crayola Dustless Coloured Chalk Sticks were built for the everyday needs of a teacher’s classroom. Crayola’s Dustless Coloured Chalk Sticks keep dust to a minimum and are perfect for writing and drawing on blackboards. The smooth chalk sticks resist breaking and scratching or skipping on art surfaces. The classic colours pop on black or green chalkboards and erase quickly and easily. Box contains 144 sticks of dustless chalk in an assortment of colours.