Faber-Castell 155404-whiteboard marker pen set of 4, 18Y+

Refillable whiteboard marker with exceptional ink darkness & 2.25mm line width making the text on whiteboard so visible & clear. Durable bullet nib that can last for multiple refills. Convenient refilling system. Easy to wipe even after a week. For better performance, place the marker tip down position for one hour before start writing.