These wet erase chalk markers will write on any non-porous surface, including glass. They're great for signage and crafts projects, indoors or outdoors - once dry, the marker ink will not run when exposed to moisture or rain.

Made with real chalk, the special Liquid Chalk formula creates a dustless, smooth,opaque layer of rich color that wipes cleanly from any non-porous surface, such as a white board, glass, back-lit presentation board, or metal.

These opaque, water-based, pigmented markers are great for creating chalkboard art on chalkboards, lightboards, dry-erase boards, windows, and windshields. The markers feature a 6 mm bullet tip. The chalk erases easily from surfaces with a damp cloth.