Richeson - Butcher Tray Palette - 13x17 - Porcelain enamel finish baked onto steel construction creates an extremely durable, smooth and easy to clean surface! These traditional butcher trays feature one large mixing area with a slightly convex center that forces water to the edge. Perfect for dry brush technique in watercolor or gouache, where less water is desired when mixing colors. Size and style may vary slightly. Size will measure within an inch of manufacturer description, and the sides are either perpendicular to the bottom and 1 inch tall or they are slightly angled to the bottom and 1 1/4 inch tall. Available in three sizes.