Wet Wipe Posterman Pens are designed for internal use, ideal for messages that are changed on a daily basis. These are wet-wipe markers and are easily removed with a damp cloth. These chalkpens will provide a bright, hi-colour sign that will be seen. Also can be used on glass, and should be outlined with a black pen. Sold in a pack of 8 white pens with a 15mm chisel shaped nib size.