POSTED With Thumbtack Self-Inking Stamp -Purple Fast shipping! 95% of stock office stamps ship same or next business day. Quality satisfaction guaranteed. Lasts thousands of impressions. Ink pad is refillable. Clean, easy to use, self-inking stamp. No mess, ink built into the stamp. We have been making custom stamps for over 50 years. Buy with confidence. Stamp impression on paper is approximate 1 1/2" x 1/2"