GBC NAP I Roll Film is designed to help you protect your most important documents, big or small. It's perfect for busy educators. Load film into your laminator using patented, lightweight AutoGrip shafts or traditional steel shafts. Each roll is 27" x 500' and is wound on a 1" core. NAP I film is the most common type of roll film and is ideal for everyday projects. It is compatible with most thermal roll laminators, including the GBC Ultima 65.