Product Description
Osborne Marking Chalk is clay based and thus it is much easier to erase. Also works on glass and vinyl that other chalks do not. Due to the shape of this chalk a sharp makring edge is maintained. SOLD PER BOX Box of 12 contains : 8 white, 2 yellow, 1 red, 1 blue
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1 Review
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Good if you break them
Works nicely once you figure out how to deal with them. Rubbing them on a rag or breaking them to expose the fresh chalk makes them super useful. Goes on like chalky crayon, wipes off with damp cloth