IOD inks are pigment rich, fade resistant, acid free, and archival making them an awesome product for multiple DIY projects. The IOD inks are also mixable allowing you to create your own colors. Use the IOD Mixing White ink to lighten colored inks or the black ink to create darker colors. These made in the USA inks are waterproof and permanent when used as recommended. Available in multiple colors. Size: 2 ounces