Amazon.com : Shuttle Art Chalk Markers, 24 Vibrant Colors Liquid Chalk Markers Pens for Chalkboards, Windows, Glass, Cars, Erasable, 3mm Reversible Fine Tip with Chalkboard Labels for Office Home Supplies : Office Products
BISTRO CHALK MARKER EXTRA FINE POINT — Marvy Uchida
Chalk vs Liquid Chalk Markers - Comparing two types of chalks + Art Addicts Alliance Birthday! - YouTube