Image size max. 1 5/8" (40mm) diameter. Trodat Printy multi-color self-inking stamp. Just press down to make your mark in 2 or more colors. We use a unique laser process to engrave the rubber, and cut and ink the internal pad, to produce a 2, 3 or 4 color design. 16 ink colors available to choose from. Minimum space between colors 0.1" (2.5 mm.) Reliable plastic self-inking mechanism lasts for years. Soft-touch case fits comfortably in your hand. Replacement ink pads available.