These Kevron ID Card Holders will protect your ID card, security tag or transport card against damage. They come with 4 punched holes so you can easily attach it to a lanyard or keychain. They come with holes so you can instantly add them to your lanyard. You can easily insert standard sized swipe cards, credit cards, transport cards and ID cards. Ideal for use in offices, events, conferences, and security setups, ensuring that ID cards remain protected and accessible.