Daler-Rowney FW Artists Ink is an acrylic-based, pigmented, water-resistant ink in a range of colours. Such a high degree of lightfastness over such a range of fully intermixable colours makes them ideal for use by artists in the production of pictures for permanent display.Equally, however, colours can be substantially diluted to achieve the most subtle of tones very similar in character to watercolour. Such washes will dry to a water-resistant film on virtually all surfaces, and successive layers of colour can be laid over. FW Artists Inks work well through airbrushes and technical pens.29.5mlColour: Crimson Excellent lightfastness and permanenceIdeal for artists producing pictures for permanent displayCan be diluted for subtler tonesWorks well through airbrushes and technical pensDaler-Rowney Crimson FW Artists Ink 29.5ml