Gamblin Artist's Oil Colors are crafted by hand with the well-being of artists, their work, and the environment in mind. They combine the best traditions of the past with the latest technical innovations, giving you the freedom to create without compromise. - Gamblin Artist's Oil Colors - Reclaimed Earth Colors SetGamblin Artist Oil Color, RECLMD EARTH CLRS ST - Created in collaboration with artist John Sabraw and engineer Guy Riefler, this limited-edition, eco-friendly set features three, 37 ml tubes of Brown Ochre, Rust Red, and Iron Violet. These exclusive colors are made with reclaimed pigment from polluted waters of acid mine drainage. The pigments are lightfast, natural, and safe. This set also includes a pre-primed, cradled panel made from sustainably harvested North American birch wood and a recyclable sleeve insert. A portion of the proceeds supports efforts to clean the Ohio and Mississippi rivers. Made in the USA.