Grocery store club cards are typically printed on PVC plastic cards about the same size and shape as a credit or debit card. It's also common for customer rewards programs to offer key tags, which are smaller cards that can fit onto a keychain for added convenience.
Most grocery store membership cards will feature a magnetic stripe or bar code that can easily be scanned by a cashier. Once the card is scanned, certain sale items will drop in price automatically reducing the total bill, much to the delight of the shopper.
ID cards for grocery stores don't just stop at customer rewards cards, however - ID card printers can be used for a wide variety of other card solutions that provide efficiency and security, including: