TAGVO Adjustable Eyewear Retainer 3 Pack with Glasses Cleaning Cloth, No Tail Sunglasses Holder Strap, Eyeglasses Retainer DURABLE: smooth tough wear resistant steel sunglasses retainer cord with combination of magnetic slider will not break with use. COMFORTABLE: environmental protection silicone connection, very soft on the ears; safty glasses holder keeper on head, neck. ADJUSTABLE: fits most eyewear, snugly fit don't worry your glasses slide off the nose when sweaty or looking down. IDEAL FOR: perfect eyeglasses strap for sport, hiking, fishing, biking and other outdoor activities, or in the daily life of using glasses. FREE BOUNS: come with a free Microfiber cleaner cloth to clean dirt, grease & stains on your glasses and other.