The Winsor & Newton Designers Promarker is a professional-grade marker that is perfect for any artist or designer. This marker features a dual-ended design, with a fine tip on one end and a broad tip on the other, allowing for a variety of line widths and styles. The ink is highly pigmented and lightfast, meaning it won't fade over time. The ink is also alcohol-based, making it blendable and allowing for smooth transitions between colors. The marker is also refillable, so you can keep using it for years to come.The Designers Promarker is ideal for a variety of uses, from sketching and illustration to graphic design and coloring. It is perfect for creating bold, vibrant colors and can be used on a variety of surfaces, including paper, cardstock, and even fabric. The marker is also great for adding detail to larger projects, such as murals and posters.The Designers Promarker is an essential tool for any artist or designer. With its dual-ended design, highly pigmented ink, and blendable formula, it is sure to become a favorite in your art supplies.