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. Color(s): Yellow; Number of Colors: 1; Age Recommendation: Ages 5 and Up; Length: 3.25".5PK Prang Hygieia Dustless Board Chalk, 3 1/4 x 0.38, Yellow, 12/Box
| Dimensions | 1 × 1 × 1 in |
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