GBC Ultra Clear Thermal Laminating Pouches - Sheet Size Supported: Letter 8.50" Width x 11" Length - Laminating Pouch/Sheet Size: 9" Width x 11.50" Length x 5 mil Thickness - Clear - 150 / Box - Thermal laminating pouches provide a clean and crisp look for professional results. Brilliant clarity shows off the details of text and colors in images.