Faber-Castell Textliner 1546 - pastel colours in universal water-based ink. Ideal for all types of paper. Specially-shaped tip marks in 3 different line widths - 1mm, 2mm and 5mm.
Wallet of 4 contains one each of yellow, aqua, lilac and rose. Pastel highlighters do just the same job as a normal highlighter, but they're more subtle - and easier on the eye!