These GBC Ultima 65 Standard Laminating Films are the most economical Polyester-based thermal films made by GBC. These films are the most commonly used with the GBC Ultima65 Laminator and other school grade laminators and they provide excellent bonding strength for items with porous surfaces and light ink coverage. The GBC Ultima 65 Standard Laminating Film are purpose polyester based light gauge films designed for two-side laminating. Utilizing a standard polyethylene adhesive layer, This GBC Ultima 65 Standard Laminating Film are lend to economical laminating of printed documents, including educational classroom materials.