Features Ideal for marking text and colouring larger areas Extra-long highlighting performance Water-based, fast-drying ink Twist cap Ultra-soft chisel tip for 1-5mm line width Ideal for marking text and colouring larger areas, theseStaedtler Textsurfer Classic Highlighterscome in assorted Vintage colours. Each pen includes a large ink reservoir for extra-long highlighting performance with water-based, fast-drying ink. The twist cap allows for easy opening with an ultra-soft chisel tip for a 1-5mm line width. The black highlighter covers up text and lines so that they are still legible on your page but illegible on photocopies, perfect for confidential documents and information.