NON-MACHINABLE Self Inking Rubber Stamp - Red Ink (ExcelMark A1539) Two-sided ink pad gives you double the impressions Attractive, clear mount allows you to accurately line up your stamp Ink pads are replaceable and re-inkable with ExcelMark self-inking ink Prints in red ink Impression area: 9/16" x 1-1/2", Stamp impression: NON-MACHINABLE