Overhead Transparency Markers Quick drying ink, producing even lines.  Won't fade or bubble under heat.  Provides excellent clarity and visibility.  Cleans off with a damp cloth. 9016__ Dozen$12.40, 4/$47.20 Color: 32 Red45 Green49 Blue61 Black Overhead Projection FilmOverhead Only Projection Film Copy machine or printer Vis-a-vis Wet Erase Set of 4