ExcelMark Self Inking Like Stamp - Blue Ink ExcelMark Self Inking Stamps are the most cost effective self inking stamps on the market Features a two-sided ink pad that doubles the number of impressions and the useful life of the ink pad It's like buying a traditional self inking stamp and getting an extra ink pad free Clear mount base for precise alignment of your stamp impression Available in Blue Ink. Impression Area: 1/2" x 1-1/2"