Pre-filled with rich, black ink that makes sure each of your stamps create a bold print Longer-lasting Micropore pads are perfect for ink stamps for crafting, scrapbooking, card making, homework and more No refills required, the custom Micropore design lasts longer than traditional foam and felt stamp pads With ACMI AP certified ink, you get reliable performance and crisp impressions, whether stamping in the classroom, at the office, or at home for documents, crafts, and projects. Ideal ink pads for rubber stamps for arts & crafts, teachers, accountants, bank tellers and notary publics