95% pure calcium carbonate and free of foreign materials that can cause scratching, streaking and pitting on board surfaces.
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.
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.
Specifications
Global Product Type: Board Chalk
Age Recommendation: Ages 5 and Up
Number of Colors: 1
Color(s): White
Diameter: 0.38"
Length: 3.25"
Product Biodegradability Indicator: N
Product Compostability Indicator: N
Green Information: Plastic contains 100% post-consumer recycled content.