High quality- Premium quality winder in oval shape: High quality ABS shell + Japanese high strength steel sheet + zinc alloy + 0.45 strong nylon thread Modern design- The winder is very simple in design. Keep your keys, your identity card, transport card, your security pass or your name bag in the same place with the yoyo key ring/badge holder Flexible to install- With metal clip for hanging on the belt or bag; and have a carabiner clip for the belt or bag so you always have your badge or keys close at hand.Both versions take care of your clothes - neither your belt nor your pants will be damaged Retractable and Practical- The key ring has a tear-resistant cord extendable up to 68.5 cm. Automatically again, a return damper ensures a rewinding problem. The retractable reel allows you to easily reach a door lock or scanner without removing your keys or smart badge. No more searching for them in your pocket or bag Small but powerful- Product dimensions (L x w x h)8*3.2*1.4cm, Weight:22.9 g. The reinforced spring supports your set of keys weighing up to 100 grams in complete safety. Easily combined with all durable badge holders with a perforation. It is very useful in certain professions, such as workers, office workers, nurses, for a trade fair or exhibition