This Ecoline Brush Pen Set of 30 contains transparent watercolour pens which are perfect for drawing & illustration. The pens are filled with transparent dye ink & gum arabic which can be combined with watercolours. 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 colours are not waterproof so they can be re-worked once theyve dried. The 5mm brush nib allows for a range of mark making by applying different pressures. Odourless & fast drying, perfect for on the go painting. Colours Included Pastel Yellow Sand Yellow Apricot Gold Ochre Saffron Yellow Pastel Rose Light Rose Fuchsia Pastel violet Pastel Red Pastel Blue Sky Blue Light Ultramarine Light Bluish Green Turquoise Green Fir Green Indigo Pastel Green Spring Green Grass Green Bronze Green Pink Beige Beige Sepia Light Warm Grey Light Cold Grey Light Grey Deep Grey Mahogany Sepia Deep