This pack of 4 Ryman Highlighters are extra long-lasting & precise highlighters. The highlighter has a large ink reservoir giving it an enhanced lifespan while its lightfast pigment ink is suitable for paper, faxes & copies as well as being inkjet safe, meaning it wont smudge inkjet printouts. The Ryman highlighter is a fast-drying marker, which washes out of most textiles. This highlighter has an ultra-soft chisel tip with varied line width of 1-5mm, making it a precise & controlled highlighter which is perfect for quick, repeated & easy highlighting of documents, revision work & study notes. * 2.0 to 5.0mm line width