Self Inking Address Stamp - Custom Return Address Stamp - Black Ink Self Inking Address Stamp - Custom Return Address Stamp - Black Ink To customize, please click on the 'Customize Now' button on the right Approximate size of impression is 2.5" x 1" 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