Duex Line Letter Stamp There are TWO ways for you to send us customization AFTER you checkout: 1) After you place your order. Go to "YOUR ORDERS" and click on "CONTACT SELLER" and send us a message stating your customization. 2) We will message you through Amazon within ONE BUSINESS DAY to request customization. Please keep an eye out in your email AND/OR Amazon messages for this message from us. ONCE customzation is received from you. MOST orders ship within ONE BUSINESS DAY, but please allow between 2-3 days during the Holidays. This round self-inking stamp impression is 1 5/8" in diameter.