This Premium Layering Reinker, Spruce Dark, is from Gina K Designs. This re-inker coordinates with the Gina K Designs Layering Spruce Dark ink pad (sold separately) and is to be used to keep your ink pad moist at all times. This ink can also be used by itself for a variety of inking techniques. This re-inker is acid free and PH-Neutral. This bottle contains 0.5 fluid ounces of re-inker.