This Ecoline Liquid Watercolour 30ml Additional Colours Set of 5 contains transparent watercolour inks which are perfect for drawing and illustration. The inks are made of transparent dye and gum arabic which can be combined with watercolours. Set of 5 x 30ml bottles. Each bottle has an ink dropper incorporated into the lid. Great for digital artwork thanks to their consistent vibrant colours. Ideal for use with card, paper, watercolour paper and board. You can thin the ink to create colourful washes. The colour is ready to use, can be diluted with water and dries within a few minutes, evenly and without streaks. Can be applied using a paintbrush, drawing and dip pen nibs, and airbrushes.  Intermixable, has amazing intensity and true vibrance. Some colours may fade with constant exposure to sun / UV light. The colours are not waterproof so they can be re-worked once they've dried. Colours Included Grey Light Orange Vermilion Ultramarine Violet Sepia