Looking for the best accessory for your eye glass frames? Chums Eyeglass Retainers fit around your neck and hold your glasses snugly against your head, without sliding or slipping anywhere. The field-tested Universal Fit rope eyewear retainer is made with patented molded tips that fit nearly any size of eyewear frame without your frames slipping. The 3mm nylon rope construction provides unique strength, durability and style.