High quality products for creative people, this watercolor duo marker is one of them. This water-based marker has two nibs, a soft, flexible brush nib for artistic work and a fineliner nib (0.4 mm) encased in metal for contouring and detailed work. The ink is completely soluble in water, streak-free and does not bleed through the paper. Furthermore, this marker is characterized by being odorless, acid-free, and pH-neutral. The cap and barrel are made from 100% recycled material and may show color variations due to production. This series consists of a total of 60 colors that are available separately as well as in various sets. Set 6 pieces.