Self Inking Return Address Stamp, Personalized with 4 Lines of Custom Text - Serif & Script Font, Black Ink Custom 4 line self inking return address stamp perfect for stamping envelopes for wedding invitations, save the dates, and RSVP cards. Personalized with your text. Max impression size: 2.5"x1" (Will vary depending on the amount of text) Black Ink, comes pre-inked. Makes thousands of impressions (25,000+), then it can be re-inked to make thousands more! The stamp's ink is already integrated in the text plate. Thus no separate ink cartridge is necessary. Uses oil based ink that resists drying out inside of the stamp unlike water based ink Trusted USA Seller