Only lightfast pigments to insure stability because watercolour is a naturally fragile medium. The most intense and brilliant pigments, which always can be diluted but never improved. A binding agent that facilitates the working properties. Made with the finest traditional ingredients but prepared with a modern formula for the needs of today's artists. Slowly ground on stone tricylinders to simulate the manual process and accentuate the individual quality of each color.

Colours chart: https://www.blockx.be/fr/produits/cartes%20de%20nuance/Aquarelles.pdf