Expo Vis-à-Vis Wet Erase markers create clear, bright images on overhead projectors and transparencies. It is perfect for use as a template on whiteboards or erasable calendars. You can even use for laminated surfaces and even storage totes. * This uniquely formulated ink remains in place until you are ready to wipe it away. * Ideal for scheduling, charting and tracking. Simply wipes off non-porous surfaces with a damp cloth. * Certified AP Nontoxic ink lets you have more fun, no worries.Package contains 5 markers in assorted colors