Rigid Plastic Vertical Badge Holder with Thumb Slot
Amazon.com : 4 Pack Clear Hard Plastic ID Badge Holder Horizontal and Vertical Dual Use ID Card Holder Hold 3 Cards by Fallen One : Office Products
Amazon.com : Specialist ID Vertical Top Load Three Card Badge Holder - Hard Plastic with Heavy Duty Breakaway Lanyard w Quick Release Metal Clip & Key Ring (One Holder / 3 Cards