Tim Holtz Alcohol Ink, Copper Mixative, is acid-free, fast drying ink specially formulated to create luminous metallic highlights when combined with Tim Holtz Alcohol Inks. This mixative may be used on non-porous surfaces such as light or dark gloss paper, dominoes, glass and other slick surfaces. It's bottle features a precision tip, allowing for more controlled application. Available in a 1/2 oz. bottle.