This Ecoline Liquid Watercolour 30ml Primary Colours Set of 5 contains transparent watercolour inks which are perfect for drawing & illustration. The inks are made from transparent dye & 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 to be used with card, paper, watercolour paper & board. You can thin the ink to create colourful washes. The colour is ready to use, can be diluted with water & dries within a few minutes, evenly & without streaks. Can be applied using a paintbrush, drawing & dip pen nibs, & airbrushes. Intermixable, has amazing intensity & 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 theyve dried. Colours Included Lemon Yellow Magenta Sky Blue (Cyan) Green Black