Perforated thermal paper. Letter A Size (8.5 in x 11 in). 600 sheet(s). The Pentax Quality Perforated Roll paper comes in 6 rolls per box with each roll containing 100 letter size (8.5"X11") perforated sheets. This solution allows for auto-feed of letter paper and easy separation of letter sized sheets. Pentax Quality Paper is the only consumable required for your Pentax PocketJet printer making t