Printable shipping labels are guaranteed to stick and stay to most smooth surfaces like cardboard, envelopes, paper, glass, metal and more with our Ultrahold permanent adhesive Reuse boxes and packaging again and again with TrueBlock technology that covers up everything underneath the mailing label Get a more reliable feed through your printer with Avery blank labels featuring proprietary Sure Feed technology Easily customize your printable blank mailing labels with your own text and graphics or use the free templates and designs by visiting the Avery site Print crisp text and clear images with the 8.5" x 11" customizable printable labels sheets that are compatible with laser printers