This school approved dustless chalkboard chalk is 95 percent pure calcium carbonate. It’s free of materials that work their way onto the board surface and cause scratching, streaking, and pitting.
The round sticks measure 3 1/4 in. x 3/8 in. and fit many chalk chucks. The chalk is AP certified nontoxic.
Box of 12 assorted colors contains two each of green, yellow, blue, pink, orange, and purple.
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TO ADJUST ITEM QUANTITIES, THEN CLICK THE ADD TO CART BUTTON 
