The Bi-Office Whiteboardmarker Inkstring is a set of 3 black whiteboard markers designed for everyday office and classroom use. The inkstring system ensures a consistent, even line with every stroke.
3 mm stroke width delivers clear, highly visible lines on any whiteboard surface
Washable ink allows easy removal without residue or ghosting
Set of 3 markers — enough for daily board work without frequent replacement
Versatile for office, school, and adult learning environments
What sets the Inkstring apart
The inkstring mechanism provides a smooth, uninterrupted ink flow that standard markers often lack. The black ink offers strong contrast on white surfaces, making presentations and notes easy to read from a distance.
Ideal for...
Office professionals who rely on whiteboards for daily planning and brainstorming sessions. Also suited for classrooms and training rooms where multiple users need reliable, consistent marking tools throughout the day.
Application of Bi-Office Whiteboardmarker Inkstring
Shake the marker gently before first use to activate the ink
Press the tip lightly against the whiteboard and write or draw as needed
Wipe clean with a dry or slightly damp cloth after use
Store horizontally to maintain even ink distribution
Bi-Office is a Swiss stationery brand specializing in office supplies and presentation tools. The brand focuses on practical, durable products for professional and educational environments. Bi-Office markers are known for reliable ink systems and consistent writing performance.
A set of 3 black whiteboard markers with an inkstring system that delivers a consistent 3 mm stroke width for clear, visible writing on whiteboard surfaces.
Yes. The markers use washable ink that can be wiped off whiteboard surfaces cleanly without leaving residue or ghosting marks.
Designed specifically for whiteboard surfaces. The inkstring system and washable formula are optimised for smooth, non-porous boards.
The set contains 3 black whiteboard markers. No additional accessories or refills are included.
Store the markers horizontally at room temperature. Keep the caps securely closed when not in use to prevent the ink from drying out.
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