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.
Key Features :
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 pittingMade from 95% pure calcium carbonateRound stick measures 3-1/4″ x 3/8″Smooth on boardsEasily removedPack of 12 in assorted colors
