Custom Logo Double Round Border Stamp - 3 Lines of Text - Self-Inking Stamper - Rubber Personalized Stamp - Stamps for Local Business - Personalized Business Stamps HOW TO CUSTOMIZE: Shortly after you place your order. You will receive an automated email asking for your customization. You simply reply to that email with your customization and your logo. If possible, send us a one color logo. Amazon's upload feature accepts JPG and PNG files. If you are having any issues with uploading your file, please don't hesitate to contact us.