Product Overview
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. [QTY/UOM: 12 / 1BX] [PMS SKU: P013-31344] [Category: OFFICE SUPPLIES/BOARDS, CHALK;Shop All]