10 Mil Double Letter Laminating Pouches 11-1/2 x 17-1/2 Qty 50 Hot Laminator Sleeves Clear glossy finish, 10 mils per flap, standard 1/8" rounded corners 11.5" x 17.5" (292mm x 445mm) and 250 microns per flap 50 pouches per box and includes at least 1 silicone coated carrier Heat activated thermal adhesive on polyester plastic film Authentic Oregon Lamination Premium Laminating Pouches are Top Ranked in Clarity & Bonding