Ultrahold permanent adhesive is guaranteed to stick and stay on envelopes cardboard paper glass or metal. Great for bulk mailing filing documents organizing items and storage bin labels. No more wasted labels: Only Avery address labels feature Sure Feed technology to deliver a more reliable feed through your printer and prevent misalignments and jams. Easy Peel design enables faster peeling and application. Compatible with inkjet printers and optimized to produce text and graphics that are clear crisp and smudge-free. Easily customize these printable labels with thousands of designs on the Avery site.