Foton 30 Reloadable Cartridge helps you cut down on disposable plastic waste compared to typical film cartridges. Reuse this cartridge by reloading the cartridge with polyester film refills (not included). Perfect for any school or business, it comes pre-loaded with one roll of 3 mil film so you can load the cartridge and jump into your project in an instant. Changing film on a reloadable cartridge is simple. Just open the cartridge using the levers and place the 3 mil Foton 30 Film Refill inside. Color-coding helps you quickly match the refill to your cartridge. The 3 mil film refill has a blue indicator that matches the blue indicator on this 3 mil reloadable cartridge. Reloadable cartridge fits perfectly in the GBC Foton 30 Laminator (not included) with no threading and no hassle.Foton 30 Reloadable Cartridge helps you cut down on disposable plastic waste compared to typical film cartridges. Reuse this cartridge by reloading the cartridge with polyester film refills (not included). Perfect for any school or business, it comes pre-loaded with one roll of 3 mil film so you can load the cartridge and jump into your project in an instant. Changing film on a reloadable cartridge is simple. Just open the cartridge using the levers and place the 3 mil Foton 30 Film Refill inside. Color-coding helps you quickly match the refill to your cartridge. The 3 mil film refill has a blue indicator that matches the blue indicator on this 3 mil reloadable cartridge. Reloadable cartridge fits perfectly in the GBC Foton 30 Laminator (not included) with no threading and no hassle.