Blockx Burnt Sienna Deep Giant Pan Watercolor in Real Ceramic Refillable Pan Burnt sienna deep no143 is a transparent brown unique to blockx and one of their most popular colors Giant pans contain a huge amount of paint in real ceramic trays that can be used over and over. Made in belgium since 1865 by the blockx family, highest quality pure pigments ensure maximum color strength and quality, all colors are lightfast. To achieve the best properties for pan colors, liquid watercolor paste is poured in the pans three times to compensate for evaporation Rare, tough pigments are thoroughly crushed, then coated in gum arabic and honey