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 yellow sticks per pack. AP certified non-toxic. Sold as 36 packs for a total of 432 pieces.
Key Features :
This superior chalk is 95% pure calcium carbonateFree of foreign materials that work their way into the board surface causing scratching, streaking and pittingRound stick 3-1/4″ x 3/8″ fits many chalk chucks
