This Neon Magenta Aqua Pigment Ink is designed by Brutus Monroe. This aqua pigment ink has the same qualities as the original aqua pigments but has a new UV light reactive formula. This aqua pigment ink is rich in color and looks amazing on both light and dark papers. This Aqua pigment ink can also be used with or without water. This ink is nontoxic. The eyedropper bottle contains 0.5 fluid ounces of product. This ink is made in the USA.