Our ExcelMark Self Inking Signature Stamp is re-inkable and includes a two-sided ink pad that doubles the number of impressions and the useful life of the ink pad. Ideal for repetitive stamping. Put your signature on a stamp and save time and effort! Signature stamps can be used for checks, legal documents, letters, and more. They are professional, efficient, and easy. We offer our signature stamps in pre-inked or self-inking mounts.