Guerrilla Backpacker palettes are the highest quality. Designed for use with the 9 by 12 Guerrilla Box and Guerrilla Large French Resistance Pochade, this 9 by 12 Watercolor Palette features 20 slanted color wells in three sizes and two central mixing areas, plus the inside of the lid. Special spill-resistant design is also easy to clean. Extra durable, double thick, high-impact plastic with tight fitting lid.