Reuse this cartridge by reloading it with film refills. Comes pre-loaded with film and auto-threads when inserted into your laminator. Glossy finish. 5 mil thickness protects documents while retaining moderate flexibility. Size 5 mil cartridge has 113 in of film and laminates approximately 140 letter size sheets. Cartridge is compatible with GBC 5 Mil Reloadable Film Refills and the Foton 30 Laminator, sold separately.