The Winsor & Newton Designers Drawing Ink is a high-quality, professional-grade ink that is perfect for creating vibrant and eye-catching artwork. This 14ml bottle of Canary Yellow ink is lightfast and waterproof, making it ideal for use in a variety of mediums, including watercolour, gouache, and acrylic. The ink is also suitable for use with dip pens, brushes, and airbrushes.The ink is made with a high concentration of pigment, ensuring that the colour is vivid and long-lasting. It is also non-clogging and non-separating, making it easy to use and ensuring that the colour remains consistent. The ink is also acid-free, making it safe for use on a variety of surfaces, including paper, board, and canvas.To use the ink, simply shake the bottle well before use and apply the ink to the desired surface. The ink can be thinned with water if desired, and can be used to create a variety of effects. Once the ink is dry, it is waterproof and lightfast, ensuring that the artwork will remain vibrant and beautiful for years to come.The Winsor & Newton Designers Drawing Ink is a great choice for professional and amateur artists alike. With its high-quality pigment and lightfast properties, it is perfect for creating vibrant and long-lasting artwork.