Crayola chalks</br>Pack of 12</br>Anti-dust design</br>Colour: Multi-coloured</br>Size: One size</br></br>Product Description</br></br>Perfect for writing and drawing on blackboards.<BR>This special anti-dust formula in these chalks minimises the inhalation of dust. Designed to be strong?? Crayola Chalk is less likely to break and provides a consistent colour throughout the stick.</br><br/>http://www.amazon.com/gp/product/B0006TXE30