1. 【UNIQUE DESIGN】: retractable carabiner keychain, the retractable cable allows you to easily pull an electronic security card or display your ID without removing it, you can also open doors without removing the keys from your belt. This will make your life much more convenient, the telescopic length can be up to 68cm long. 2. 【GOOD FASTENING】: key chain the clip with the screw on the back is easy to attach, small key chain volum, you can easily take it out and put it in your pockets key chain extendable or use clip attached to belt buckles, bags, lanyards, backpacks and other portable bags . 3. 【HIGH QUALITY MATERIAL】: Metal design, anti-corrosion, wear-resistant, durable, thick steel, excellent quality can greatly extend the life of high-performance remote control keys. 4. 【Wide application】 Since the key roll key chain can be used to attach badge holder, badge holder of keys, etc., it is suitable for employees, nurses, sporting events, security guards, police, military, government, teachers, students, administrators, factory workers , Employees, outdoor enthusiasts, etc. 5. 【Durable Keychain】: Ideal for nurse accessories emergency medical service card holder key roll school accessories office gadgets elderly care accessories key carabiner, durable retractable key ring, suitable for more occasions.