5PC Prang Hygieia Dustless Board Chalk, 3.25′ x 0.38′ Diameter, White, 12/Box

Prang Hygieia Dustless Board Chalk, 3.25" x 0.38 Diameter, White, 12/Box – 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.

• Prang Hygieia Dustless Board Chalk, 3.25" x 0.38′ Diameter, White, 12/Box
• Nearly pure calcium carbonate.;
  Clean and dust-free.;
  Standard cylindrical design.;
  School-approved, nontoxic.;