Liquitex Professional Acrylic Ink 1-oz jar, Dioxazine Purple Opacity: Transparent / Lightfast: II / Color code: 186 Super Fluid; Highly pigmented, extremely fluid with satin finish Includes 1-oz / 30ml jar of ink Intermixable with Liquitex Professional Acrylic Paint Colors and Mediums. Conforms to ASTM D4236; Safe for educational use