Return Address Stamp - Navy Anchor Address Stamp - Custom Self Inking Stamp HOW TO CUSTOMIZE: After ordering. Please go to "YOUR ORDERS" and then "CONTACT SELLER" to let us know what you would like on your Return Address Stamp. Return Address Stamp - Navy Anchor Address Stamp - Custom Self Inking Stamp Custom Return Address Stamp is self inking. Impresssion can last for up to one thousand impressions before being reinked. Custom Address Stamp impression is approximately 1.65" in diameter. Default color is BLACK unless otherwise stated in Customization. All orders are made to order. Most orders ship within 24 business hours of your customization being received.