The uni-ball Inkview whiteboard markers write smoothly and are easy to wipe off the whiteboards even after a long time, with minimum amount of powder when wiping. Transparent barrel allows you to easily see how much ink remains, so no more running out during that important presentation! Strong colors and clear drawing line, precise and clear writing line of the same intensity and quality till the last drop of ink. Round tip. Line width: 1.8-2.2mm. The price is for a piece, commercial packaging is 12 pieces.