Daler-Rowney FW Artists Inks are opaque, acrylic based pigmented water resistant inks featuring a high degree of light fastness,  Ideal for use by artists in the production of pictures for permanent display the colours are fully intermixable. All FW Inks are acrylic based, pigmented, water-resistant artists\' inks with a high degree of lightfastness and intermixability. The Ink can be used straight out of the dropper, or diluted to achieve the most subtle of tones. As Daler-Rowney inks are pigment based they are strong and rugged and work well through airbrushes and technical pens. Primary Set Colours - Lemon Yellow - Process Magenta - Process Cyan - Sepia - Emerald Green - Scarlet - Daler-Rowney - Pigment-based inks. - High lightfastness (3*). - Fully intermixable colours. - Can be diluted to watercolours, watersoluble and water-resistant. - Usable with airbrush and technical pens. - Made in England.