The Winsor & Newton Artists' Oil Colour Underpainting White is a high-quality oil paint that is perfect for creating a base layer for your artwork. This 37ml tube of paint is made with the finest quality pigments and linseed oil, ensuring a smooth and consistent finish. The Underpainting White is a semi-opaque paint that is ideal for creating a bright, even base layer for your painting. It can also be used to create highlights and shadows, and to create a range of effects. The paint is easy to apply and can be used with a variety of painting techniques. It is also lightfast and non-yellowing, ensuring your artwork will remain vibrant and beautiful for years to come. The Winsor & Newton Artists' Oil Colour Underpainting White is a great choice for any artist looking to create a beautiful and professional-looking painting.