The Winsor & Newton Designers Drawing Ink is a high-quality, professional-grade ink that is perfect for creating vibrant and long-lasting artwork. This 14ml bottle of purple ink is lightfast and waterproof, making it ideal for use on a variety of surfaces, including paper, board, and canvas. The ink is also suitable for use with dip pens, brushes, and airbrushes.The ink is made with a blend of pigments and dyes, which ensures that the colour is both intense and permanent. It is also non-clogging, so it won't block the nibs of your pens or brushes. The ink is also acid-free, so it won't cause discolouration or fading over time.To use the ink, simply shake the bottle well before use and then apply it to the desired surface. The ink can be used to create a variety of effects, from bold lines to subtle shading. It is also suitable for use with a variety of techniques, such as stippling, cross-hatching, and blending.The Winsor & Newton Designers Drawing Ink is a great choice for professional artists and hobbyists alike. It is easy to use and provides excellent results, making it perfect for creating vibrant and long-lasting artwork.