The MID6 Retractable Belt Clip Key Chain has a tough molded polycarbonate case, zinc alloy carabiner, stainless steel spring and strong retractable cord made with DuPont Kevlar fiber. Grab your keys and let them go, the built-in tether retracts back into place until you need your keys again, no more digging through your pockets or purse to get your keys. With a MID6 Retractable Belt Clip Key Chain your keys or small tools will be secure and accessible.