There are few things more annoying than going to your whiteboard, picking up your blue marker and getting ready to make a big presentation, only to discover that your marker is dead. Instead of searching around for a replacement or trying out every other color to find a useable marker, simply refill the marker with a few drops from this blue refill ink bottle. Keep the bottle close to your white board, in your desk or in a nearby cupboard and refill your markers any time they start running try. Refilling your AusPen reusable markers only takes a few seconds – less time than opening a package of new markers – and you can get right back to work. Use the ink bottle regularly to refill after each day or keep the bottle handy to refill as needed. Place an order for your blue ink refill today.Sold individually.