The Sharpie Fluo XL is the longest-lasting Sharpie highlighter. It's loaded with Smear Guard ink which is formulated to resist smearing when highlighting over many pen and marker inks (includes written notes, faxes, copies, newspapers and more - let the ink dry before highlighting). With a highly innovative blade-style tip that offers 3 different line widths, this quick-drying highlighter comes with a convenient pocket clip with Yellow, Green, Pink, and Orange vibrant colours. Ideal for classrooms, offices and home.