Reliable MaterialID badge holder is made of hard and transparent PC plastic material(Polycarbonate), not only can clearly see the internal card, but also can prevent the card from bending or cracking.Easy to Quick AccessSmart thumb slot design allows you to slide cards up and remove easily. Great for anyone needs to access 2 cards frequently. Ideal for hospital staff, nurses, employees, and police officers.Top-load DesignIt is convenient to replace or attach to lanyard, badge reels, etc. Heavy duty vertical badge holder keeps the cards in place and protects them without falling off effectively.2-Card HolderOur vertical ID badge protect case can accommodate 2 standard credit cards sized 3-3/8 H by 2-1/8 W inches, sturdy and solid for daily use.Wide Applications Great for ID Cards, Credit Cards, Membership Cards, Kids Bus Pass, Driver License Card, School id cards, Hotel Key, Cruises, etc. It can also be applied for RFID and scanner reader.