Staedtler Triplus Color pens feature an ergonomic triangular shape for relaxed and easy writing and "DRY SAFE" technology. they can be left uncapped for days without drying up (Standard atmosphere according to ISO 554). they have water-based ink that washes out of many textiles.
The Triplus 334 fineliner features superfine, metal-clad tipthe line width is approx. 0.3 mm.
The Triplus 323 features a broader fiber tip with a line width of approx. 1.0 mm.
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