This 2-color replacement pad is compatible with the Shiny HM-6104 & HM-6106 self-inking stamp. The water-based ink that this stamp uses works great on documents, flyers, posters, non-corrugated cardboard and more. Pick from 11 ink color options when you order this replacement pad and enjoy thousands of impressions. 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 and then click the add to cart button!