These markers are great for signs, posters, and all kinds of crafts because they are solvent-based and dry instantly.  Colors can be blended and are removed easily with turpentine. They are fully opaque on all porous and non-porous surfaces. They are also lightfast and weatherproof — excellent for temporary outdoor signage  Use Bistro Chalk Markers on chalkboards, light boards, windows and windshields. A wonderful way to create chalkboard art to attract attention and increase sales.They are opaque, water based, pigmented, erasable with a damp cloth.
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