Check the listing for details. Chalk Board Marker Pens, 12 Pcs Liquid Chalk Markers Erasable, Gray. Condition: New. Listed at 13.82 USD. Chalk board marker pens excel in versatile non-porous surfaces including windows, chalkboards, glass, metal, acrylic panels, and LED light boards. Perfect for family art projects, classroom teaching, office labeling, storefront decorations, event signage, and restaurant menu updates.SpecificationStyle: Water-soluble ChalkColor: GraySize: 12 x 1 cm / 4.72 x 0.39 Inch (LxW)Packing List: 12 Pcs x Chalk Markers for BlackboardAdvantageThe wet erase markers are dust-free, which eliminates the mess associated with traditional chalk. They offer easy clean-up; marks can be effortlessly wiped away from non-porous surfaces with a damp cloth. The chalk board marker pens provide excellent color saturation and write smoothly, ensuring clear and bright results.InstructionTo use, first shake the marker vigorously with the cap on to mix the ink.