The brilliant colours of these liquid watercolour pens bring every piece of art to life, whether you're creating design, illustrations, fashion design, calligraphy or children's drawings. Super versatile and re-wettable! Inter-mixable with Ecoline Liquid Watercolour 30ml bottles - dip markers in liquid colour and create custom mixes and effects. Use on illustration board, watercolour paper and Yupo. Store the original works of art in a portfolio for optimal colour retention.