This pack of 4 Sharpie Fluo XL highlighters are a great addition to any pencil case! Each pen has 3 widths in one pen, 0.75mm, 2.5mm and 5mm widths which are perfect for underlining, highlighting and writing thin and thick lines. These brightly coloured highlighters with bright and quick drying ink will resist smearing most ink including, ball pen, felt pen fountain pen, gel pen, marker, ink jet, roller and Sharpie pen. These pens have a flat and oval design so they won?t roll on the desk. Colours include yellow, pink, orange and green. Great for school, home or office work.