* Secure Fit: Never lose a pair of sunglasses again in the water. KRN OCEAN Premium Retainer Sunglass Straps will fit securely around the ends of your sunglasses and keep them on your face. It's inexpensive insurance for your expensive sunglasses. The strap hangs comfortably around your neck. The stretchy straps will fit most sunglass frames. * Material: The KRN OCEAN sunglasses eyewear retainer is made of soft and comfortable Material. The cord is also comfortable and resistant. The strap won't irritate your temple or areas around your ear. * Durable: Our eyeglass straps have been battle-tested in various locations, such as the oceans, lakes,s and rivers. The KRN OCEAN floating retainer can withstand all the elements. They are built to last and won't fade or fall apart.