These extremely fluid colours are vibrant, quick drying, permanent & water-resistant. They have a thin consistency & are excellent for use on paper or canvas, wood or metal. The ink can be applied with a brush, dip pen or airbrush - a fun & versatile way to add colour, as an additional with acrylic paint or mixed media projects or to use on their own. 3 x 30ml. Colours: Gold, Silver & Copper. Shake well before use. Clean tools quickly after use to prevent clogging or drying on to brushes by using warm soapy water. Royal & Langnickel Essentials Acrylic Ink Metallic Colours Set 3 X 30Ml