Avery Smooth Feed Laser Label 100pkPrinter jams mean interrupted label printing and delayed mailing. For flawless printing of labels for letters and envelopes, the right label is an Avery Smooth Feed Label. The Smooth Feed Edges prevent build ups, and the adhesive withstands the high heat of laser printers. The Jam Free guarantee mean flawless printing, even in high speed printers and copiers. That means faster, easier mailing!