Cablz Cordz are meant to be worn as a stylish eyewear retainer and unraveled in the event of an emergency when you are in need of some very strong rope! The only Paracord wrapped eyewear retainer with patented ball bearing technology! New CablzCordz are original Cablz wrapped with approximately 2.5 meters of lightweight nylon rope made of 550-lb. rated parachute cord.Available with new Universal rubber ends that fit most frames on the market!