Essentially an acrylic ink, Golden High Flow Acrylics are acrylic paints that can be airbrushed, poured, applied with a brush, Pen nibs, or even used to refill paint markers. From fine lines to broad strokes, High Flow Acrylic has an ink-like consistency that lends itself to a wide range of techniques, including staining effects, leveling colors, calligraphy, and mixed media.