This replacement pad is compatible with the Trodat 5211 self-inking stamp. It features water-based ink that is great for stamping on documents, flyers, non-corrugated cardboard, envelopes and more. This re-inkable pad has 11 different ink color options to choose from for maximum vibrancy. Not recommended for glossy and non-porous surfaces. Select your ink color and then click the add to cart button!