Description:Material: Elastic cordColor: Blue， blackCircumference (exclude buckle and rubber ring): Approx 58cm / 22.8 inchThickness: Approx 5mm / 0.2 inchHigh elastic glasses cord， durable and long lastingCan firmly entangle the glasses legs and not easy to fall off， perfect for doing sportsThis adjustable strap will fit most styles of eyewearsStylish design with white lettersPackage Includes:1 x Glasses cordNote: Since the size above is measured by hand， the size of the actual item you received could be slightly different from the size above. Meanwhile， please be reminded that due to lighting effects， monitor's brightness / contrast settings etc， there could be some slight differences in the color tone of the pictures and the actual item.