Keep your whiteboard markers performing at their best with this 500 ml ink refill. Specially formulated for whiteboards, this ink provides smooth, bold, and vibrant lines that erase cleanly without leaving stains or ghost marks. Ideal for classrooms, offices, and home use, it extends the life of your markers, saving you money while ensuring professional results every time. Easy to refill with a precision nozzle, this ink is a must-have for anyone who frequently uses whiteboards.