- Fineliner with superfine, metal-clad tip- Ergonomic triangular barrel for effortless, fatigue-free writing- DRY SAFE: can be left uncapped for days without drying up (test ISO 554)- Airplane-safe: An automatic pressure equalisation prevents pen leakage while on board aircraft- Washes out of most textiles- Water-based ink- With clip- PP barrel guarantees long service life- Line width: approx. 0.3 mm- 30 brilliant colours available individually or in sets of 4, 5, 10 or 20 colours as well as in the triplus mobile office or in many promotion packs- Award-winning design and box concept