This superior chalk is 95% pure calcium carbonate and free of foreign materials that work their way into the board surface causing scratching, streaking and pitting. Round stick 3-1/4″ x 3/8″ fits most chalk chucks. Includes 12 sticks in assorted colors per pack. AP certified non-toxic.
- This superior chalk is 95% pure calcium carbonate and is free of foreign materials that work their way into the board surface causing scratching, streaking and pitting
- Made from 95% pure calcium carbonate
- Round stick measures 3-1/4″ x 3/8″
- Smooth on boards
- Easily removed
- Pack of 12 in assorted colors
