Vertical Hard Plastic Rigid Card Holder ID Badge Holder Pack of 3 Perfect for credit card, proxy card, photo id card, secure access card, school id cardetc Vertical display with top loading. Thumb slot for easy removing card Holds up to 3 CR-80 cards(3 3/8 x 2 1/8). Same as credit card size Easily attach to lanyard, cord, chain or badge clip Its perfect for Conferences, Events, Trade shows, Expo and Convention but may get crack if used everyday. DO NOT carry this holder on keychain.