Thanks to the ultragrip technology developed on the back of the label, sheet feeding is accurate and printing is jam-free. Simple design: free online software and templates. Jams-free printing in laser printers, tested by TÜV Süd. 100% compatibility with all known printers and copiers. Clear print image, smudge-free results. Improved, stronger adhesion than ever before. 20 extra sheets in the 100-sheet pack.