Best-selling USI Opti Clear is a premium grade laminating roll film known for its superior adhesion, clarity and durability. It's perfect for porous, semi-gloss, and gloss paper - even card stock! - with light to heavy ink coverage. Opti Clear's special adhesive activates at just 230-250 degrees F, a lower temperature than standard and school laminating films. The lower melting temperature results in a stronger bond without risk of excessive heat degrading your projects. USI Opti Clear films produce a robust laminate with a crystal-clear finish that enhances colors without clouding or yellowing. All USI Opti Clear roll laminating films feature the USI Color Coded system to ensure your rolls are properly loaded on to your laminator. Simply the best roll laminating film, USI Opti Clear remains the top choice for thousands of satisfied schools and businesses...and it's only from USI!