Caran D'ache Fibralo Brush

Water-soluble fibre-tipped pens with a brush tip, that can create varied lines of between 0.5 mm and 5 mm thick
Superior quality water-based ink does not bleed through paper and can be washed out of most modern fabrics
Food colouring-based colours, bright and transparent, long life (> 700 m)
Available in assortments of 10 and 15 colours.