Boko-Undo is Japanese manufacturer know for high-quality art materials whos technology is built on traditional ink-making techniques that have existed for over 200 years. These watercolors are made by kneading pigments and pastes into a dry state. The Aquatic Blue color palette features six cool colors in a flower-shaped ceramic dish: Asagi, Purple, Black, Ultramarine, Byakugun, and Shell White. Use the empty center dish for mixing colors.