Definitely Super Valuable - The glasses strap has comfortable polyester braided cord, long lasting and fashion. Adjustable toggle on cords ensures that sunglass straps will not easily fall off and are comfortable for all head sizes and shapes.^ Flexibility & Adjustability - The buckle can slid up and down to adjust. The sunglasses strap allows sunglasses to be comfortably hung on your chest, or rest on top of your head.^ Multiple Use - The fashionable polyester sunglass glasses holder is great for sports, outdoor activities and everyday use. It can be carried on your neck when your hands are full of goods.^ Package Content - 6 pack with 6 colors, not only suitable for women, but also men. The eyeglass straps for men with various colors will easily match with your clothes, this set of glasses strap is really your best choice