This replacement pad is compatible with the COLOP Printer 20 self-inking stamp. It features water-based ink that is great for stamping on documents, flyers, non-corrugated cardboard, envelopes, and more. Make a good impression with your choice of our 11 stunning ink colors. This pad will last you thousands of impressions and can 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!