Best Laminating - 10 Mil Clear Letter Size Thermal Laminating Pouches - 9 X 11.5 - Qty 50 Trust Best Laminating Brand Supplies For Your Heat Seal Laminating Machines. 10 Mil Heat Seal Laminating Pouches. 9" x 11.5" - 50 Pouches Sealed On The Short Side For Easy Handling. Convenient Carrier Included.