200 pouches File (index) Card size 3-1/2" x 5-1/2" hot thermal (heat activated) clear glossy laminating pouches. 5 mils (125 microns) thick in each flap and sealed on just one edge. These pouches have standard 1/8" radius rounded corners. Quality meets or exceeds all major brands, but at generic pricing. Special 200 pouches per bag packaging includes at least 2 silicone coated laminating "carriers". Maximum card stock size recommended for this pouch is 3-1/4" x 5-1/4" (or less) to leave a standard 1/8" border of clear laminate around card for a secure sealed edge.