ZDD Specifications: Material: leather strips + metal Extendable length: 65-70 cm Size: 4 * 9 cm Color: black Scope of delivery: 2 x pull-out badge holders You can use the retractable lanyard with the clip attached to your belt buckles, bags, lanyards, backpacks, and other portable bags is. The diameter of the key roll is 4 cm. The steel wire is approx. 70 cm long. Since its upgraded, its not easy to break. Professional Design: The retractable cord allows you to swipe your ID card without removing it. You can also open doors without removing the keys from your belt. This will make your life much more convenient. High quality material: Metal-zinc alloy design, corrosion-resistant, wear-resistant, durable, thickened steel. After tens of thousands of tensile tests, the steel wire is not easy to break. Excellent quality can greatly improve the service life of the high-performance key fob. Wide range of applications Since the key roll key fob can be used to attach badge holder, badge holder, keys, etc., it is suitable for employees, nurses, employees, Sporting events, security guards, police, military, government, teachers, students, administrators, factory workers, employees, outdoor enthusiasts, etc.