This colored Pre-Inked Stamp displays the text "UNCLASSIFIED" and features impression dimensions of 1/2" x 1-5/8". The laser engraved rubber fashioned in our manufacturing plants tends to make this Xstamper stamp lasting for several years of use. Generates approx 100,000 ink impressions before re-inking becomes may be required. Please recall to use Xstamper Red Refill Ink solely. See below to add a bottle of ink to your order. Re-Inking Instructions: Pop off handle and put 3 to 4 droplets of ink on the opening of the stamp. Pointers: Choosing to re-inking your stamp pad over night may allow the ink to fully absorb onto the stamp pad.