Floateyes 18 Inch Floating Hemp Sunglass Cord is made of braided hemp cord. Durable and comfortable, this sunglass retainer will ensure that your sunglasses won't end up at the bottom of a lake or river. The All natural cork floater on this sunglass cord, rolls gently along your neck and provides enough buoyancy to float 2 ounces of plastic or 1 ounce of metal eyewear frames. You have better things to do than to worry if you will be fishing out those expensive sunglasses from the deep. Perfect for fishing, water sports and waterfowl hunting.