Ten pieces of Staedtler Triplus color fineliner pens: Line width: approximately 0.3 mm; fineliner with metal-clad, ultra-fine tip An ergonomic triangle for comfortable and effortless writing DRY SAFE: with the exception of neon colors, they can be left uncapped for days without drying out. Most textiles can be readily cleaned with water-based inks. Long service life is guaranteed by PP barrel. Combine and