Pre-inked, one-color stamp imprints the word PAID in all red uppercase letters with a box outlined underneath so you can write in a date. 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.