Liquitex Professional Acrylic Ink! are ultra-fluid, intensely pigmented acrylic colors for all of your creative uses. They're water-resistant, dye-free, fast drying, non-clogging, and permanent, so they won't smear or fade. Professional Acrylic Ink! is intermixable with all other Liquitex acrylics and mediums and produces a satin finish. Available in 30 ml dropper bottles and 150 ml bottles.