Blackboard Chalk White

Blackboard Chalk White from Jolly is made of natural chalk. In contrast to gypsum chalk (calcium sulphate), the real calcium carbonate chalk is dust-free. Easy to wipe off the blackboard!

• real calcium carbonate chalk
• dust-free
• easy to wipe off
• fingers stay clean
• no squeaking when writing
• 10 pcs. in a cardboard box