Prang Hygieia yellow 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. This is one of the traditional chalkboard chalks and is still one of the most economic forms of classroom communications.
|Full case pack||144 Boxes--wrapped in 12 inners of 12 boxes (12 sticks of chalk per box)|
|Suggested Retail||$1.16 per box of 12 sticks|