5 Mil Luggage Tag Laminating Pouches w/Slot 2-1/2" x 4-1/4" (500/bx) Quality meets or exceeds all major brands (like GBC, Sparco, Ibico, Fellowes, Royal, Duck, etc) but at generic pricing Clear glossy finish; 5 mils (125 microns) per flap to add a total of 10 mils to your paper 2.5" x 4.25" (64mm X 108mm) with standard 1/8" radius rounded corners PRE-SLOTTED at center on one 2.5" end for your attachment device (sold separately) Heat activated thermal adhesive on polyester plastic film