Chromacyl's Acrylic Essentials were developed for the middle school teacher. They have good solubility, intense color, and rich consistency for painting, printing, sculpture. - Chromacryl Acrylic Essentials - Secondary Colors, Set of 6, half gallonsChromacryl Acrylic Essentials, 67.7OZ SECNDRY 6/SET - Contains 6 colors in half gallon (64 oz) bottles, including one each of Brown, Cool Red, Orange, Purple, Warm Blue, and Warm Yellow.