The Winsor & Newton Designers Promarker Brush - Burnt Sienna is a professional-grade marker that is perfect for creating vibrant and detailed 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 Designers Promarker Brush is easy to use and requires no special preparation. Simply uncap the marker and begin drawing. The marker is also refillable, allowing you to use it for a longer period of time. The marker is available in a wide range of colors, allowing you to create artwork with a variety of hues and shades.The Winsor & Newton Designers Promarker Brush - Burnt Sienna is an excellent choice for professional artists and hobbyists alike. With its high-quality ink and brush tip, this marker is perfect for creating detailed and vibrant artwork. Whether you are a beginner or a professional, this marker is sure to help you create beautiful artwork.