Double-Ended Erasable Whiteboard Marker Set, Available in Black/Red/Blue, 0.5Mm+1Mm Dual Tip, Easy to Write and Erase, Low Odor, Suitable for Office, Teaching, Meetings / Children's Doodling, Quick-Drying, Smooth Writing, Rich Colors, for Glass Marking, Temporary Annotation, Classroom Teaching, Business Presentations, Whiteboard Marker Set, Office Stationery, Teaching Supplies, Children's Stationery, Erasable Pens, Meeting Use