With a self-proclaimed dedication to color, Private Reserve Ink offers fun and interesting alternatives to typical black, blue, red, and green pigments. With over 50 colors to its name, Private Reserve offers pH-neutral inks that are vibrant, smooth, and fast drying. This drop includes a four-pack of 66-milliliter bottles. Certain colors are available in a “Fast Dry” formula, which is especially useful for left-handed writers.