With an elastic tip for variability in line thickness - from very fine to very broad. Compared to ABT Dual Brush Pens, the brush tip is narrower and stronger, enabling rapid, controlled brushstrokes. Perfect for calligraphie, lettering, sketching, sketch notes, doodling and much more. Water-based with colour pigments, odourless Packing includes "hard" variant pens in 6 different neon colours Colours: pink, yellow, green, orange, red and blue