Pre-inked stamp makes an impression of the word "SCANNED" to prevent users from rescanning pages. It is perfect for stamping all kinds of documents including invoices, receipts, faxes, statements, envelopes and more. Flip cover keeps fingers free of ink. Stamp-Ever Message Stamp offers an impression size of 9\/16" x 1-11\/16". It lasts for thousands of impressions before re-inking with Stamp-Ever ink.