Innovative 3 blade tip (0.75mm, 2.5mm and 5mm widths all in one pen) to maximise usage potential. Effective writing and underlining and thin and thick highlighting can be completed with the use of just one pen!. No smear ink technology - will resist smearing most inks incuding: ball pen, felt pen, fountain pen, gel pen, marker, ink jet, roller and Sharpie pen. Bright, quick drying Ink . Flat oval design - pen will not roll on desk . Easy to clip to pocket . Can be used on most paper types including written notes, faxes, copies, newspapers and more . Superior writing length - up to 400m . Long cap off life. Assorted pack contains pink, orange, yellow and green. Packed 4. .