School Smart Dustless Chalkboard Chalk is a quality chalk and made from 85% calcium carbonate to make writing with chalk a breeze. Chalk recommended for composition boards writes smooth visible lines without the mess and renders easy erasing. Chalk in assorted colors of blue, yellow, orange, red and green is sold as 12 per pack.
- Available in blue, yellow, orange, red and green
- High-quality 85% pure calcium carbonate
- Writes smooth visible lines without the messy dust
- Erases cleanly without ghosting