The Winsor & Newton Artisan Water Mixable Oil Colour - Phthalo Blue (Red Shade) is a 37ml tube of professional-grade oil paint that is perfect for any artist. This paint is formulated to be water-mixable, meaning that it can be thinned and cleaned up with just water, eliminating the need for harsh solvents. The Phthalo Blue (Red Shade) is a vibrant, deep blue that is perfect for creating intense, vibrant works of art. It is highly pigmented and has excellent lightfastness, meaning that it will retain its colour over time. The paint is also non-toxic, making it safe to use in any environment. The Artisan Water Mixable Oil Colour is ideal for any artist, from beginners to professionals. It can be used on a variety of surfaces, including canvas, paper, wood, and more. It is also suitable for a variety of techniques, such as glazing, impasto, and more. The paint is easy to use and can be thinned with just water, making it a great choice for those who are just starting out with oil painting. The Winsor & Newton Artisan Water Mixable Oil Colour - Phthalo Blue (Red Shade) is a great choice for any artist looking to create vibrant, long-lasting works of art. It is easy to use, non-toxic, and highly pigmented, making it a great choice for any level of artist.