This fine quality blackboard chalk is made in Germany. The colors are pure and blend well on the board. The chalk is a square stick and wrapped in a paper that can be peeled off. Colors include: carmine, vermilion, orange, gold yellow, lemon yellow, pale green, dark green, deep blue, blue violet, red violet, red brown, pale brown, black, white, cobalt blue, pale flesh. Made of Calcium Sulfate. Cardboard box measures 3 5/8" by 6 3/8".
This chalk is for children 3 and older as it's small enough to be a choke hazard.