Composite 40% Polyester/PVC, 32k Bits (4k Bytes) Application Areas 16k/16 + 16k/1, Configured, Non-Programmed iCLASS, Programmed 125 kHz Proximity, Front: Plain White with Gloss Finish, Back: Plain White with Gloss Finish and Magnetic Stripe, iCLASS Card Numbering: No External Card Numbering, No Slot Punch, 125kHz Card Numbering: Sequential Matching Internal/External (inkjet), Priced Per Card, Minimum Order Quantity: 100