Convenient Design: This ID card holder features a transparent window and retractable lanyard design. With 4 card slots, it can hold multiple cards, and a zipper pocket provides space for coins, keys, and other small items. The included lanyard offers easy portability and convenient use. Premium Material: The badge holder is crafted from PU leather for durability. The transparent window is made of hard plastic, offering high definition and scratch resistance. The retractable lanyard is constructed with metal components, and the nylon lanyard is soft and long-lasting. Size Information: The badge holder measures 3" x 4.7" (7.8 x 11.9 cm). The transparent window measures 2.2" x 2.9" (5.5 x 7.3 cm). The retractable lanyard extends up to 13.7" (35 cm), and the lanyard length is 19" x 0.39" (48 x 1 cm). Widely Used: This card holder with retractable lanyard is suitable for employees, students, teachers, medical staff, and more. It can be used to carry ID cards, transit cards, and other essential cards.