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.
Key Features :
Easily removes to keep your chalkboards looking newSmooth on boards for easy writingMade from 95% pure calcium carbonate to provide supreme qaulityWhite
