Blank cards are available in UltraCard (TM), UltraCard II, and UltraCard III versions. UltraCard stock is made of 100% PVC and provides medium card durability. UltraCard II offers higher durability with a 20% polyester core and a PVC laminate on top and bottom. UltraCard III offers the highest durability with a 40% polyester core and a PVC laminate on top and bottom. Each of these UltraCard stocks provide a polished, scratch and debris-reduced, high-quality video imaging surface and are packaged in dust-free plastic bags. Only UltraCard brand cards are recommended for use with FARGO printers. If using PolyGuard overlaminate, use UltraCard III stock for best results. Note that all cards have a case quantity of 6 boxes/case.