Line width approx. 0.3 mm, ergonomic triangular shape for comfortable writing and drawing. Extra fine, metal-encased tip, water-based ink, washes out of many fabrics. Box contents: 10 pieces in a cardboard case. Dry Safe - can be left open for days without drying up (test climate according to ISO 554, except neon colours). PP shaft ensures a long life and avoids evaporation of the ink, manufactured in Germany.