Weatherproof Perforated Roll - 20 Year Archiveability - 6 Rolls Per Pack (100 pages per roll); For Use With: PocketJet 3 Plus, PJ622 PocketJet 6 Print Engine, PJ623 PocketJet 6 Plus Print Engine, PJ662 PocketJet 6 Print Engine with Bluetooth, PJ663 PocketJet 6 Plus Print Engine with Bluetooth, PJ663-K