Self-inking stamps with Paper Source custom designs are an easy way to add your return address to envelopes. Just press down on the stamp machine and it creates a clean, crisp impression of your custom text. From Three Designing Women.Ink: Stamp machine comes with a black water-based ink pad that lasts for 800-1000 impressions! Other ink colors available.Size: Stamp impressions are approximately 1.5" x 1.5". Production Time: 5-7 business days (plus shipping)Shipping: Stamps will ship separately if ordered with other products. Sorry, stamps are not eligible for a gift box, and cannot be shipped internationally.Your stamp will be produced with the alphabet and capitalization shown in the image. Please enter your initials as you would like them to appear left to right.Enter your text: