Oregon Laminations Premium 4x6 Photo Laminating Pouches 5 Mil 4-1/4 x 6-1/4 [Bx of 500] Clear Hot Metric size 109mm x 160mm and 125 microns thick per flap Small Rounded Corners for a professional finish Manufacturing Specified by People who do Laminating for a Living Trust Authentic Oregon Lamination Trademarked  Premium Laminating Pouches. Accept No Less. Package includes at least 5 Silicone Coated Laminating Carriers for laminators that require it