Double-sided marker creates thick or thin lines with two tip choices - broad Bullet tip for bold lines or extra-fine tip for detailed, precise lines.Perfect for colour-coding and decorating planners, journals and notebooks.Create fun doodling and lettering styles with a choice of 24 colours.Water-based ink doesn't bleed through most papers.Durable fibber point tips are long lasting and maintain shape after use.Bullet tip 0.8mm; extra-fine tip mm.