Carters 3.15in x 6.12in Micropore stamp pads are pre-filled with bold black ink and are perfect ink pads for stamping. The custom Micropore design is built to last longer in one use than traditional foam and felt pads. No refills or reinkers are required. Filled with a lasting permanent ink that can be used on paper wood fabric and more. ACMI AP-certified as non-toxic and confirming to ASTM D 4236 feel free to use this ink in schools offices and homes while staying safe. 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. ACMI AP certified non-toxic ink is safe for use in schools offices and homes. Ideal ink pads for rubber stamps for arts & crafts teachers accountants bank tellers and notary publics. Less harsh chemicals - made with fewer harsh chemicals or safer chemicals than typical alternatives helping reduce your use of and exposure to substances that may be more harmful to your health and the environment.