Sturdy: The badge holder is constructed with 1mm stainless steel cord with a retraction force up to 8oz, strong enough to hold the weight of most of your keys without slipping all the time. Reliable: The spring in the badge holder is strong enough to retract reliably, which will never lose cards or keys to ensure the safety of you and your information. Convenient: The retractable cord extends a few feet, more than enough to comfortably reach as far as your arm can reach. It is convenient to open doors without tangling the cord. Multifunctional: The retractable keychain is equipped with a zinc alloy carabiner and a PVC badge buckle, it can be easily attached to belts, backpacks, etc., and you can also hang badges, keys, etc.