This replacement pad is compatible with the COLOP Printer R30 self-inking stamp. It features water-based ink that is great for stamping on documents, flyers, non-corrugated cardboard, envelopes, and more. Pick from 11 different ink colors when you order this replacement pad and make the best impression you can make. It can even be re-inked with water-based ink for continued use. Not recommended for glossy and non-porous surfaces. Select your ink color below and then click the add to cart button!