Printer 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! | Smooth Feed Sheet Edges prevents build-up that can cause printer jams | Suited for high speed printers | High quality printing with no toner flaking | Special adhesive withstands the high heat of laser printers | Labels made with paper from well-managed forests