7 Mil Double Letter Laminating Pouches 11-1/2 x 17-1/2 Qty 100 Laminator Sleeves Insist on Authentic Oregon Lamination Premium  Laminating Pouches Clear glossy finish, 7 mils per flap, standard 1/8" rounded corners 100 pouches per box and includes at least 1 silicone coated carrier 11.5" x 17.5" (292mm x 445mm) and 175 microns per flap Heat activated thermal adhesive on polyester plastic film