3 Mil Thermal Laminating Sheet: Laminate sheet size9 x 11.5 Inches,Box of 30 sheets. Fits letter size documents up to 8.5 x 11 inches 3 Mil Thickness: The 3 mil thickness pouches strikes a good balance between flexibility and rigidity,making them suitable for various uses,from preserving photos to protecting recipes Excellent Durability: The laminating pouches offering a clear and sturdy finish that enhances durability,and doesn’t wrinkle. Easy to see the items beneath the finish and very professional Strong Protection: Provide lasting protection for your important pictures,documents,or photos etc. Waterproofing,moisture resistance,photo protection from fading,scratch resistance,and wrinkle resistance Easy to Use: Easy to handle and use. Just open the thermal lamination sheet,put the item you want inside,and then complete it through the machine. They heat up quickly and create a protective seal around your item Wide Applicability: Compatible with all thermal laminators. Not only for office work,but also for crafting. Very suitable use for important cards,logos,etc..