The Pilot begreen board master whiteboard marker has a medium bullet shaped tip and uses liquid ink in convenient easy to use cartridges

• It's twin pipe feeder system ensures a stable ink flow to the tip of the pen
• It comes in a 4 whiteboard markers plus an eraser
• Made from 91.95 percent recycled materials
• No fade and no blurring for 10m visibility
• Guaranteeing a constant flow of ink, until the very last drop
• Easily refillable