Our self-inking stamps 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 our friends at Three Designing Women. If you do not yet have a machine, select to receive your custom plate along with a machine with accompanying black water based ink pad. Select if you already own a machine and wish to receive just the plate of the design pictured. Stamp plates do not stamp without use of a machine. Stamp machine comes with a black water-based ink pad that lasts for 800-1000 impressions! We recommend changing your when adding a new plate so that you will get the best impression from your new design. For best results, always test your stamp impression on scrap paper before using on your project. Stamp impressions are approximately 1 1/2" x 1 1/2". Stamp pad is 2" x 2". Stamp machine is 2 1/8" W x 2 1/4" D x 4 1/2" H 2-3 business days (plus shipping) Stamp orders are shipped within 2-3 business days after your order is placed. Shipping time is dependent upon your selected method of shipment at checkout. Custom stamps will ship separately if ordered with other products. Sorry, stamps are not eligible for a gift box, and cannot be shipped internationally.