GREAT VALUE GIFT BOX: You will receive 12 goggle straps. PREMIUM MATERIALS - The glasses chain is made of high quality leather and a silicone clasp. Not easy to deform, age, break. Built to last. 12 color combinations. Our glasses cords include 12 different colors. It can be matched with glasses and clothes in different colors to make you look more fashionable. random color. ^ Adjustable Rubber Anti-slip Buckles - The anti-slip buckles at both ends of the high-elastic silicone anti-glasses cord wrap tightly around the temples and are not easy to fall off. The rubber buckle of the glasses strap can be adjusted up and down for easy installation on the frame. Wide range of applications, the black toggle switch on the glasses cord is adjustable, you can adjust it according to your head size, our glasses cord is suitable for everyone. The glasses holder is flexible and adjustable and can be used for all types of glasses, such as sunglasses, swimming goggles, sports glasses, reading glasses, etc.