This replacement pad is compatible with the COLOP Printer R12 self-inking stamp. This pad contains water-based ink which is best for stamping on documents, flyers, non-corrugated cardboard, envelopes, and more. Choose one of our 11 ink color options when you order this replacement pad. 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!