Dr. Ph. Martin's Hydrus Fine Art Watercolor Bottles, 1.0 oz, Set of 12 (Set 3) Set of 12, 1.0 oz glass bottles with droppers and mixing palette Fine art quality watercolor with the same brilliance and permanence as traditional tubes Brilliant, lightfast, transparent liquid watercolor for use on paper or canvas 36 unique colors available across three different sets Made in the USA