The Winsor & Newton Designers Promarker - Holly is a professional-grade marker that is perfect for creating vibrant and detailed artwork. This marker features a dual-ended design, with a fine tip on one end and a broad chisel tip on the other. The alcohol-based ink is highly pigmented and provides excellent coverage and blending capabilities. The ink is also lightfast and waterproof, making it ideal for use on a variety of surfaces. The marker is also refillable, so you can easily replace the ink when it runs out.The Designers Promarker - Holly is perfect for a variety of art and design projects, including illustrations, comics, graphic design, and more. The fine tip is great for creating precise lines and details, while the broad chisel tip is perfect for larger areas of color. The marker is also great for blending and shading, allowing you to create beautiful gradients and color transitions. The marker is easy to use and requires no special skills or techniques.The Winsor & Newton Designers Promarker - Holly is a great choice for professional artists and designers who want to create vibrant and detailed artwork. The dual-ended design and lightfast, waterproof ink make it perfect for a variety of projects, and the refillable design ensures that you can use it for years to come.