Sennelier Etude Oil - 34ml Tubes - at least 30% off - Sennelier Etude Oil Colors offers a fine range of colors. Sennelier Etudes intense colors and traditional manufacturing of vegetable oils offer a guarantee of stability in mixtures, and in light fastness. Sennelier selected the most widely used colors and have added colors to help you get a wide range of tones and practice the art of mixing. With a moderate price, the Etude line of colors gives amateurs and students the opportunity to learn about painting with a quality product. For professional painters who work on large formats or thickness, of larger tubes are available for all of the colors.