FeaturesAll the benefits of original Maxiflo whiteboard markers, with an innovative flexible tipThe freedom to write in a flowing, freehand style on a white or porcelain boardVivid liquid ink for colour that stands outFlexible 4.0mm bullet tip gives a varying range of line widths from approx. 1.5mmWallet of 4 contains 1 each black, red, blue and greenFor a wider range of writing styles, the Pentel Maxiflo Flex-Feel Flexible Tip Whiteboard Marker (4pc Set) can be used vertically or horizontally for a 2.3 - 4.5mm line width. Ink is supplied by a unique pump action system that replenishes the tip with fresh ink. This pack contains 4 pens in assorted colours.