For over 60 years the GBC brand has been a world leader in products that help consumers protect, preserve, secure, organize and enhance their printed materials. GBC binding and laminating machines and supplies help professionals finish documents quickly and easily with style and customization. GBC HeatSeal NAP I film rolls are a durable, standard quality roll laminating film for hot roll laminating machines. They provide excellent bonding strength for items with porous surfaces and light ink coverage. These thermal laminating films are general purpose polyester based light gauge films designed for two-side laminating. Utilizing a standard polyethylene adhesive layer, these films lend themselves to economical laminating of printed documents, including educational classroom materials. They are not compatible with 'heat shoe' type laminators. Each roll in this 2 pack contains 25 Inches x 500 feet of film with 1.5 mm thickness and a 1 Inch core. From entry level to professional grade, with GBC laminating systems and accessories, its easier than ever to turn your hard work into great presentations!