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