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OHP pens are designed for writing on overhead projector transparencies and acetate sheets.
They are useful for preparing teaching materials, drawing diagrams and adding annotations to transparent film. Choose permanent OHP pens for markings you want to keep, or non-permanent pens when you need to clean the sheet and use it again. Non-permanent OHP ink is generally removed with a damp cloth rather than a dry whiteboard eraser; follow the instructions for the pen and surface you are using. Browse both ranges to find the right tip size and colours for your work. Finer tips suit small writing and detailed diagrams, while wider tips make headings and larger markings easier to read. For use on laminated documents or other smooth materials, check the individual product’s surface suitability. Available in a selection of tip sizes and permanent or non-permanent ink, OHP pens produce sharp, easy-to-read lines with excellent colour definition. Whether you're preparing teaching materials, labelling items, marking reusable documents or creating presentations, they offer reliable, smudge-resistant performance for a wide range of applications. Our collection includes OHP pens in a variety of colours to suit both professional and educational environments. With smooth ink flow and precise tips, they're suitable for detailed writing, diagrams, annotations and everyday marking tasks. Ideal for schools, offices, laboratories and creative workspaces, OHP pens remain a practical choice for writing on transparent and non-absorbent surfaces. Browse our range to find the right OHP pens for your presentation, labelling or marking needs.
