10 Mil Large Bookmark Laminator Pouches Qty 100 Hot 2-3/8 x 8-1/2 Hot Laminating Sleeves 10 Mil thick per flap adds 20 mils total to your paper Includes at least 1 silicone coated laminator carrier to protect your machine's rollers if needed Durable polyester plastic with heat activated thermal adhesive Metric size 60mm X 216mm 250 microns thick per flap Look for Authentic Oregon Lamination Premium Laminating Pouches