GBC NAP I thermal laminating roll film for use with heated roller and heat shoe laminators. 1" poly-in core. Choose the right film for the job. Nap I film is the most common type of school lamination roll film and is ideal for everyday projects. Keep your documents bright and bold. Glossy film has a whiny finish that helps emphasize colors. Load film into your laminator using patented, lightweight AutoGrip shafts or traditional steel shafts, which utilize thumb screws and core chucks. 1" Core, 1.5 Mil--The 1.5 mil thickness provides protection while retaining flexibility. Laminator Supply Format: Thermal Lamination; Supply Format: Roll; Suggested Applications: All Purpose; For Use With: Hot Roller/Heat Shoe Laminators.