Amazon.com : Liquid Chalk Markers for Chalkboard, Liquid Chalk Marker Fine Tip, Chalk Blackboard Markers, Chalk Pens, Car Window Markers for Glass Washable, Fine Tip Chalk Marker by Lana and Luca (3mm,
Vaci Neon Liquid Chalk Markers - Pack of 10 Erasable Chalk Pens with Reversible Fine Tip for Chalkboard, Window | ArtBeek
Amazon.com : Vaci 8 Multicolored Liquid Chalk Markers with Magnetic Blackboard, Stencils & Labels | Erasable, Non-Toxic, Water-Based | 6 mm Reversible Tip | On Chalkboards, Windows, Glass & More | Kids
Amazon.com : Liquid Chalk Markers for Chalkboard, Liquid Chalk Marker Fine Tip, Chalk Blackboard Markers, Chalk Pens, Car Window Markers for Glass Washable, Fine Tip Chalk Marker by Lana and Luca (3mm,