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. AP certified non-toxic.
Product Type: Chalk
Recommended Grade: Grade PK+
Recommended Age: 4+ Years
Alternative Part Numbers: DIX31145,DIXX31144,DIXDIX31144
GRP:ERGO