Gives your documents the perfect finish and make film changes easy. Load the film refill into a reloadable cartridge for instant use. Cartridge and film auto-threads when inserted into your laminator. Glossy finish helps emphasize colors in documents. 3 mil thickness protects documents while retaining moderate flexibility. Size 3 mil refill has 185' of film and laminates approximately 230 letter size sheets. Refill is compatible with GBC 3 Mil Reloadable Cartridges and the Foton 30 Laminator, sold separately.