Staedtler Triplus Fineliner 0.3mm - Pack of Six (2 Black & 2 Red & 2 Blue) Ergonomic triangular barrel for effortless, fatigue-free writing Super fine 0.3 mm porous points are protected from damage by a metal-clad tip Staedtler's acid-free, non-permanent, "dry safe" ink won't dry out even if the pen is left uncapped for several days Water-based ink washes out of most textiles easily Pack of 6 pens. Choose from different color combinations