Load the film refill into a reloadable cartridge for instant use. Cartridge and film auto-threads when inserted into your laminator. Glossyfinish. 5 mil thickness protects documents while retaining limited flexibility. Refill has 113 in of film and laminates approximately 140 letter size sheets. Compatible with GBC 5 Mil Reloadable Cartridges and the Foton 30 Laminator, sold separately.