A highlighter for the 21st century! designed to look different, the highlighter has a unique patented construction which allows it to have a large ink supply with a visual ink system. Larger liquid ink reservoir than traditional highlighters. Uniform ink application right down to the last drop, with no fading. Multi-award-winning design. Ink level indicator for constant control. Available in 6 fluorescent colours and 2 line-widths. Water-based ink for paper, copy or fax. Long cap-off time. Long lasting liquid ink highlighter in super bright colours. Line width: 2.0 - 5.0mm. Large, visible ink tank allows you to monitor remaining levels. STABILO Anti-dry out ink technology : 4 hour cap off time. Uniform ink application down to the last drop. Writes even on vertical surfaces and won't leak under pressure. Assorted colours: yellow, green, orange and pink. Writing length 500 metres.