【Retractable Badge Reel】The package contains 2 retractable carabiner keychains. They measure 10.7*3.2*1.4 cm, are equipped with a tear-resistant cord, and can be stretched up to 65 cm. They easily fit any item with a hole. The elastic chain has a reasonable length and is easy to use. These keychains are the perfect companion to your ID holder. 【Sturdy and Durable】Unlike other plastic badge reels that break, our retractable keychain is made of a high-quality ABS shell, a high-strength Japanese steel plate, a zinc alloy, and a strong 0.45 nylon wire loop, making it very strong and durable. 【Practical and Reliable】This badge holder/card holder has a metal clip on the back, which can be attached to your clothes, belt loop, or backpack. Each badge reel has a keychain and a plastic loop. When using the key or badge holder, access is quick and easy, and you don't have to worry about losing important personal items as long as your keys and badges are secure. 【Wide Application】The retractable key holder can be widely used in offices, homes, and outdoor activities such as fishing and hiking, and can be used with ID cards, business cards, keys, etc. Perfect for medical staff, office workers, security personnel, teachers, students, guards, factory workers, outdoor enthusiasts, and more. 【Note】The retractable key holder is lightweight and easy to extend. It is very durable and sturdy for light items; this design is best suited for light items such as ID cards, badges, access cards, and keys, etc. Do not use heavy items or pull it down with gravity, as this can easily damage it. Telescopic spring.