Protect your glasses with the Chums 5mm Universal Fit rope eyewear retainer. Chums Universal fit rope retainers are made with patented molded tips that fit nearly any size of eyewear frame without slipping. Chums 5mm nylon rope provides unique strength, durability and style. Adjust the snugness of your sunglasses with Chums sliding bead. Chums Universal Fit rope retainer measures 25 in total length. Chums 5mm Universal Fit retainers are made in the USA