This replacement pad is compatible with the Trodat 4612 self-inking stamp. Use this water-based ink pad on documents, flyers, non-corrugated cardboard, envelopes and more. Choose one of our 11 ink colors when you order this replacement pad and enjoy thousands of impressions. It can even be re-inked with water-based ink for continuous use. Not recommended for glossy and non-porous surfaces. Select your ink color and then click the add to cart button!