The Winsor & Newton Designers Drawing Ink is a high-quality, professional-grade ink that is perfect for creating vibrant and long-lasting artwork. This deep red ink is made with a blend of pigments and dyes that are lightfast and waterproof, ensuring that your artwork will remain vibrant and true to its original colour for years to come. The 14ml bottle is easy to use and store, and the ink is suitable for use with a variety of drawing tools, including dip pens, brushes, and airbrushes.The ink is also non-clogging and non-separating, meaning that it will flow smoothly and consistently from your pen or brush. It is also acid-free and pH neutral, making it safe for use on a variety of surfaces, including paper, board, and canvas. The ink is also suitable for use with a variety of techniques, including calligraphy, illustration, and mixed media.To use the ink, simply shake the bottle well before use and then apply it to your chosen surface. The ink can be thinned with water if desired, and it can be cleaned up with soap and water. For best results, store the ink in a cool, dry place away from direct sunlight.The Winsor & Newton Designers Drawing Ink is a high-quality, professional-grade ink that is perfect for creating vibrant and long-lasting artwork. With its lightfast and waterproof pigments and dyes, non-clogging and non-separating formula, and acid-free and pH neutral properties, this deep red ink is suitable for use with a variety of drawing tools, surfaces, and techniques.