The Winsor & Newton Professional Water Colour in Indigo is a high-quality watercolour paint that is perfect for creating vibrant and intense artwork. This 5ml tube of paint is made with the finest pigments and is highly lightfast, meaning that your artwork will remain vibrant and true to colour for years to come. The paint is also highly transparent, allowing you to create subtle washes and glazes. The paint is easy to use and can be mixed with other colours to create a variety of shades. It is suitable for use on paper, board, and canvas.This professional watercolour paint is perfect for artists of all levels, from beginners to professionals. It is also ideal for use in art classes, as it is non-toxic and safe to use. The paint is easy to clean up with just soap and water. It is also suitable for use with a variety of techniques, such as wet-on-wet, dry-brush, and glazing.The Winsor & Newton Professional Water Colour in Indigo is a great choice for creating vibrant and intense artwork. It is easy to use and can be used with a variety of techniques. The paint is highly lightfast and transparent, making it perfect for creating subtle washes and glazes. It is also non-toxic and safe to use, making it ideal for use in art classes.