The Winsor & Newton Cotman Series 111 Brush No.7 is a high-quality brush designed for use with watercolors. It is made from a blend of synthetic fibers that are both durable and flexible, allowing for a smooth and even application of paint. The brush has a short handle and a round head, making it ideal for detailed work and precise lines. It is also suitable for use with other water-based media, such as inks and gouache. The brush is easy to clean and maintain, and its synthetic fibers are resistant to wear and tear. The Winsor & Newton Cotman Series 111 Brush No.7 is a great choice for artists of all levels. Its short handle and round head make it perfect for detailed work, while its synthetic fibers provide a smooth and even application of paint. It is also suitable for use with other water-based media, such as inks and gouache. The brush is easy to clean and maintain, and its synthetic fibers are resistant to wear and tear. With its high-quality construction and versatile design, the Winsor & Newton Cotman Series 111 Brush No.7 is an excellent choice for any artist.