Prang® Hygieia® Dustless Board Chalk

Description

Nearly pure, 95% calcium carbonate is free of all materials that could scratch, streak or pit your board surface. Special mineral cohesion agents ensure clean, dust-free use. Standard cylindrical design fits most chalk holders. School-approved, nontoxic. <ul><li>Nearly pure calcium carbonate.</li><li>Clean and dust-free.</li><li>Standard cylindrical design.</li><li>School-approved, nontoxic.</li></ul>