Custom Stamp - Return Address Stamp - Self Inking Stamp - Black Ink Custom Stamp - Return Address Stamp - Self Inking Stamp - Black Ink To customize, please click on the 'Customize Now' button on the right. Approximate size of impression is 2.375" x .875" Stamp is self inking and comes with the ink pad already inside the machine. Ink lasts for thousands of impressions. Manufactured in Jacksonville, FL by Holmes Stamp & Sign