Golden High Flow Arcylic Paint, 1 Ounce, Transparent Phthalo Blue (Green Shade) Golden High Flow Acrylics can be used for calligraphy-mixed media-painting As well as in airbrushes-technical pens-refillable markers- and more Made with finely ground pigments to reduce clogging in small tips-nozzles Ink-like consistency is versatile and works on paper-canvas-panels Made in the USA