MaimeriBlu - Superior Watercolors - 15 ml - Cobalt Blue Deep - Maimeriblu Watercolor paint is Maimeri's range of professional artists watercolours. Seventy-two brilliant colours in total; 52 of which are composed of a single pigment combined with the finest gum-arabic available, resulting in maximum colour purity. Every colour in the range is lightfast, and is made with the maximum colour concentration possible. The binder used is almost completely clear, which enhances the brilliance of the pigment. Maimeriblu is the most extraordinarily transparent watercolour available.