Pack of 6 Staedtler Triplus Fineliners 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