This Bic highlighter contains fluorescent, water based ink and features a textured rubber grip for comfort. Suitable for paper, faxes and photocopies, the pen has a cap off time of up to 8 hours. The chisel tip provides a variable line width of 1.6 - 3.3mm for both underlining and highlighting. This pack contains 4 pens with assorted pastel coloured ink (blue, yellow, pink and green).