The dual-tip design eliminates the need for multiple tools, letting you seamlessly switch between detailed line work, precise outlining, and bold dotting or filling. The water-based acrylic ink delivers vibrant, opaque color with excellent coverage—even on dark surfaces—while drying quickly to a waterproof, fade-resistant finish that locks in your creations. Whether you re lettering for calligraphy, decorating rocks, or making handmade cards, these dual-tip markers blend versatility, precision, and reliable performance.