The Winsor & Newton Cotman Watercolour Burnt Umber 21ml is a high-quality watercolour paint that is perfect for any artist. This paint is made with the finest pigments and is designed to be easy to use and mix. It is highly pigmented and has a smooth, creamy consistency that allows for easy blending and layering. The colour is a deep, rich burnt umber that is perfect for creating a range of effects. It is also lightfast and permanent, meaning that your artwork will last for years to come.This paint is suitable for use on a variety of surfaces, including paper, canvas, and wood. It can be used with a brush, a palette knife, or even a sponge. It is also great for creating washes and glazes. To use, simply mix the paint with water and apply to the desired surface. The paint can be thinned with water to create a transparent effect, or thickened with a medium to create a more opaque effect.The Winsor & Newton Cotman Watercolour Burnt Umber 21ml is an excellent choice for any artist looking for a high-quality watercolour paint. It is easy to use and mix, and the deep, rich colour is perfect for creating a range of effects. It is lightfast and permanent, so your artwork will last for years to come.