Innovation: Refillable watercolour ink markers. Ideal for watercolour illustrations, comics, manga, design, calligraphy, and art journaling. The refill system is patent pending, allowing for easy, quick, and clean refills directly from the 45 ml bottle colour palette, which includes 29 colours. Accessories include a blank marker compatible with 56 Colorex colours to create custom shades and replacement tips available for endless use. The versatile brush tip combines flexibility and precision, providing an even and homogeneous flow. This refillable, long-lasting marker is designed for convenience and creativity.