Black is a fluid alcohol based ink tinted with dye for a deep, true color, that mixes beautifully and flows together with other dye based colors. White is a new addition to our alcohol ink line and is formulated with opaque white pigment, so it sits on top of dye based alcohol ink colors, creating many different effects. Designed for use on non porous surfaces, like waterproof paper (polypropylene), glass, ceramic and resin.