The Winsor & Newton Designers Promarker Brush in China Blue is a professional-grade marker that is perfect for creating vibrant artwork. This marker features a brush tip that is ideal for creating both broad and fine strokes, allowing for a wide range of artistic expression. The marker is filled with a highly pigmented, alcohol-based ink that is lightfast and waterproof, ensuring that your artwork will remain vibrant and beautiful for years to come. The ink is also non-toxic and acid-free, making it safe for use by both adults and children.The marker is easy to use and requires no special preparation. Simply uncap the marker and begin drawing. The marker is also refillable, allowing you to replace the ink when it runs out. The marker is perfect for a variety of art projects, including illustrations, sketches, and calligraphy. It is also great for adding color to scrapbooks, greeting cards, and other paper crafts.The Winsor & Newton Designers Promarker Brush in China Blue is an excellent choice for any artist looking to create beautiful artwork. With its vibrant ink, brush tip, and easy-to-use design, this marker is sure to become a favorite in your art supplies.