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DESCRIPTION: Mungyo dust-free chalk is calcium carbonate based and coated with a plastic film. Resistant and compact, it writes down on all boards and dry erases easily.
Boxes of 100 in white.
FEATURES:
Made of highly-refined calcium carbonate.
 Keep dust to minimum.
Excellent writing and erasing on green board.
Non-Toxic.
 Dust is rarely blown in the air because the heavy particles of calcium carbonate is fallen down.
 Special formulation prevents dust form sticking to fingers.
 It writes much longer
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