STAEDTLER's double-ended twin colour fibre-tip pens are the ideal product for colouring, with two colours on each end, you get 20 colours in one pack! Thanks to the wide marker tip (3.0mm) and the extra-fine tip (1.0mm) on either end; outlines, coloured areas, and sketches can easily be created. Incorporating a ventilated cap with a breathing channel for extra safety, the ink is water-based and can be easily washed out from most textiles. Key features: • 10 double-ended fibre-tip pens provide a variety of 20 colours per wallet • Stable, pressure-resistant tip • Ventilated cap conforming to ISO 11540 and BS 7272-1/2 • PP barrel guarantees long service life • Washes easily out of most textiles • Line width fine tip approx. 1.0 mm, line width broad tip approx. 3.0 mm