* Lightweight. * Soft and strong. * 16'' stretchable length. * Fits most adult men or women eyewear frames. * One year warranty directly with manufacturer. The Zol Neoprene stretchy sunglass strap is a soft, strong, stretchy, lightweight, and waterproof accessory that fits most adult eyewear frames. Has a 16'' stretchable length and makes a great accessory for water sports, hunting, shooting, driving, hiking, cycling, running, fishing, boating, and everyday use. One year warranty directly with manufacturer.