Set Of 9 - White Liquid Chalk Erasable Markers - 5/8-Inch Tip Pens Liquid chalk flows evenly and dries quickly for a bright presentation. Sold in a pack of 9. Designed to be used on non-porous surfaces like glass, glossy black boards and write-on LED signs. White ink easily wipes clean with a damp cloth. Displays2go SKU#: WND16MMWHT