Its oil-based ink is permanent and works on a wide range of surfaces

made from 54% recycled plastic

150 step-by-step demos make it easy to learn by doing

3 mm wide round tip

The pens have a soft rubber grip and plastic clip and click function at the top

tombow watercolor paper 24x32 cm 300g Ink and paint refills Its oil-based ink is permanentWatercolor paper from the Japanese manufacturer Tombow. The paper is slightly larger than an A4 (24 x 32 cm) and contains 15 natural white warm pressed 300 gram sheets of watercolor paper. Developed specifically to be used with Tombows ABT Dual Brush pens but fits all types of water based markers and aquarelle paints. The paper is acid free.