Teacher Frog personalized self inking stamp Many choices of our unique and fun designs, just scroll through the "color" options above! Ships in 2 to 3 business days (add a day during busy holiday season) Click on the "Customize Now" button to enter your personalization Our self inker imprint size is 1 5/8" in square or 1 1/2 inch circle (depending on design), perfect for the front or the back of an envelope. Superior high quality self inking stamp gives you a crisp, clean, even stamp impression each and every time. Packaged in a lovely organza bag; Color choices of Red/Black/Blue/Green/Violet