Swingline GBC Thermal Laminating Sheets/Pouches, Letter Size Pouch, 5 Mil, EZUse, 10 Pack (3747324) Thermal lamination pouch includes visible EZUse features that magically disappear after lamination; UV protection prevents fading and discoloration over time Alignment guides make centering documents easy; Mil icons clearly identify pouch thickness to help you select best laminator settings Directional arrows indicate which edge of pouch should be loaded into laminator first. Letter size speed pouch is sealed on the long side enabling it to run through the laminating machine more quickly 5 mil, Letter Size, 10 pouches per box