This Unicorn White Ink and Reinker Bundle is from Hero Arts. Unicorn ink is a white pigment ink, it is an opaque color and provides fine details. This ink is acid free, archival, and fade resistant. The pad measures 2" x 3". The coordinating reinker contains 0.5 fluid ounces of opaque ink. This ink is also archival and acid free. It will help you keep your ink pad moist and promote even coverage for all your stamping needs.