Packaging Includes: You will receive 5 adjustable ID lanyards, 5 transparent ID holders, and 5 nylon lanyards—more than enough to share with family or friends. Product Dimensions: This retractable lanyard badge holder features a 0.98-inch-long roll mechanism and a 17.7-inch nylon lanyard. The transparent ID holder measures 4.3 × 2.8 inches externally and 3.3 × 2.6 inches internally. Durable & Reliable: These id card holders are crafted from premium, thickened transparent material, offering waterproof security and robust durability for repeated use. The waterproof zipper seal design effectively protects your items from ; the transparent, thickened structure facilitates quick identification and display, making your items easier to locate and identify. Highly Efficient and Portable: Our retractable ID card reel features a retractable cable mechanism extending up to 17.7 inches (approximately 45 cm). With a simple pull, it's instantly ready for use, enabling convenient and efficient access to your ID card without needing to remove it. Multifunctional: This retractable ID holder is suitable for nurses, doctors, students, teachers, office workers, factory employees, tour guides, visitors, volunteers, and many other groups. It can be widely used to store tickets, keys, ID cards, name tags, card holders, and other small items.