Custom pre-inked stamp features a unique, auto-open dust cover that allows easy one-handed stamping. With this automatic shutter design, you don't have to bother with a lid to remove or flip open. Design also features an ergonomic soft-grip handle for comfortable use. Built-in, Microban antimicrobial protection inhibits growth of microbes such as stain-causing and odor-causing bacteria. Accustamp Pre-Inked Custom Shutter Stamp generates up to 20,000 impressions before re-inking.