These ID holders are made of PU leather and include 2 front and 3 back card slots. In addition to a zippered pocket for storing keys, cash or coins. This card holder can hold your work ID, bank card, elevator card, etc. It is very useful for people who need to use multiple badges at work. The ID holder can keep your card clean and tidy, and the back of the card holder can be customized with your own logo. 4 4/5" L x 3 1/9" W