Durable Card Holder Pushbox DUOCard holder PUSHBOX for 2 cards. The separate rooms are ideal for protecting sensitive RFID cards and coded cards. Each card has a separate slider and is protected from falling out even when the slider is pushed forward. The crystal clear plastic quality and simple design forms facilitate the readability of membership , security or ID cards. Can be used in either portrait or landscape format. for 2 cards internal dimensions 54x87 mm Durable 8921 19