TRIXES Spectacle Strap for Glasses Sunglasses Neoprene Stretchy Sports Band Black A SMART DESIGN; Very soft black strong & stretchy design MEASUREMENTS; 16 inches COMFORTABLE MATERIAL; Made of a comfortable slick neoprene material IDEAL FOR; A perfect accessory for outdoor sports such as hiking, jogging and biking WEAR FOR ANY OCCASION; Suitable for almost all glasses/sunglasses