Liquitex Professional Acrylic Ink! is a range of extremely fluid, acrylic inks that use super-fine pigments in a state-of-the-art acrylic emulsion. They dry quickly and are permanent, water-resistant and non-clogging, which makes them ideal for a variety of techniques, from watercolor effects and airbrushing to calligraphy and stamping. Details:5.1 fl. oz./150mlFormulated for use with Liquitex Professional INK! RangeIdeal for cleaning pens between repeated useIntermixable with Liquitex Professional Acrylic Paint Colors and Mediums