The Winsor & Newton Designers Promarker is a professional-grade marker that is perfect for any artist or designer. This marker features a unique, alcohol-based ink that is both lightfast and permanent, making it ideal for a variety of applications. The ink is also water-resistant, so it won't smudge or fade over time. The marker has a chisel tip that allows for precise and accurate lines, and the ink is available in a range of vibrant colors. The marker is also refillable, so you can easily replace the ink when it runs out. The Designers Promarker is perfect for creating illustrations, graphic designs, and other artwork. It is also great for coloring, sketching, and writing. The marker is easy to use and is suitable for both beginners and experienced artists. With its high-quality ink and durable design, the Winsor & Newton Designers Promarker is an excellent choice for any artist or designer.