This open face card holder is perfect to keep your cards securely in place. The holders have both a slot and chain holes to make it work with both lanyards and beaded chains. It is designed to hold the standard sized plastic card with a maximum insert of 3-3/8" x 2-1/8" (86 x 54 mm). These holders are made from a rigid plastic. The card is loaded from the stop and securely held in place on the three other sides. These holders are available in a variety of colors including a frosted clear, black, and royal blue. We sell these holders in packs of 100.