Oregon Lamination Hot Laminating Pouches [Pack of 500] 5 Mil 5-1/4 x 7-1/4 (5x7 Photo Size) Rounded Corners for a Safe & Professional Finish Top Quality PET Plastic with Heat Activated Adhesive High Clarity Glossy Finish Makes Colors Pop Includes at least 5 silicone coated laminating carriers for Laminators that Accept Them 5.25 x 7.25-inches and 5 mil thick; Metric 133mm X 184mm and 125 microns thick