Self-Inking Stamps are the most affordable and are best for stamping in large quantities and they make great impressions thousands of times before needing re-inking or a replacement pad. The stamp mount measures 5/8″ Diameter. Not suitable for glossy coated paper. If you’re in need of a custom stamp, please click here and email us. Give us your idea and one of our graphic designers will design a layout with you in mind. Most orders are shipped within 1-3 business days. FREE shipping on Online Orders over $35.00.