HEAVY DUTY--The badge reel built with 1.0mm stainless steel cord retraction force up to 8.0oz, strong enough to support the weight most of your keys without sliding down all the time. RELIABLE--The spring in the Badge Reel is strong enough to reliably retract, which will never lose any cards or keys to ensure you and your information security. CONVENIENT--The retractable reel cord extends several feet, more than enough to reach comfortably as far as your arm can reach. It’s convenient for you to open doors without a tangle of cord. MULTI-FUNCTION--The retractable keychain equipped with zinc alloy carabiner and PVC badge buckle, it can be easily fixed on belts, backpacks, etc., and you can also hang badges, keys, etc. HIGH-QUALITY--We provide high-quality products, rigorously tested before shipment. If you encounter any problems during use, we're here to assist. Additionally, we have been granted a patent by the United States Patent and Trademark Office. AFTER-SALES--If you have any problems while using the product, please tell us in time! We are always here to help you, and your satisfaction is our top priority.