This replacement pad is compatible with the COLOP Printer 50 self-inking stamp. It is available in your choice of one of 11 vibrant ink colors and its water-based ink works well on papers, packets, memos, non-corrugated cardboard, and more. 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!