The product boasts Multi Ink, an innovative ink that combines the advantages of various systems: from water-based inks, it inherits color brilliance and extreme lightfastness, while from alcohol-based inks, it gains fast and reliable drying and suitability for various surfaces. The colors are mixable; mixing can occur directly from tip to tip, and the edge rendering is smudge-free. Additionally, the product does not bleed through paper and is made from 97% recycled plastic.