Image size diameter max. 1 5/8" (40mm.) The world's best quality plastic self-inking stamp, now can print in multiple colors. Our unique computer controlled laser engraving process cuts and inks the internal ink pad to produce the 2, 3 or 4 color design you specify. Ink colors available: black, red, blue, green. Minimum space between colors 0.1" (2.5 mm.) Durable and lightweight. Thousands of clear, quiet impressions. Modern, ergonomic design. Soft-touch case fits comfortably in your hand. Custom cut ink pad is built right into the stamp. Replacement ink pads available.