When you want to display your ID card, visitors pass or security authorization with safety and style in mind, Baumgartens vinyl, credit card sized badge holder fits the bill. This vertical proximity card holder has die-cut holes through the front andback so that the card cannot be removed when clip is attached. This badge holder can easily be attached to one of Baumgartens quality lanyards or retractable card reels so that you'll never lose it and it's always on hand for easy access. It's evensafe for children to use for school IDs. The wallet is made from durable, transparent plastic. This pack contains 50 holders. The maximum insert size: 3-3/4" x 2-3/8".