Qty 500 File Card Laminating Pouches 3.5 x 5.5 Hot 5 Mil Laminator Sleeves Insist on Authentic Oregon Lamination Premium  Laminating Pouches 3.5 x 5.5 ( 89mm X 140mm ) with standard 1/8" radius rounded corners Includes at least 5 silicone coated laminator carriers to protect your machine's rollers if needed Sealed on just one edge for easy paper insertion Heat activated thermal adhesive on polyester plastic film