A "swipe stripe" is useful for identity, security, purchases, loyalty programs and numerous other functions.
SMART/PROXIMITY CARDS Smart/proximity cards can meet your single-access, built-in authorization code, and security plastic card needs. Plastic Card Embossers
Plastic card embossers are capable of creating thousands of Plastic Card Printer if you need that many, but they can also economically produce just a few at a time.
Embossers can be used to make however many (or few) cards you might need at any given time.