DDup Replacement Wristbands Set for Fitbit Flex Tracker Only: Free size fit your wrist depend on button site you place; Durable,fashionable replacement rubber bands for the origin bands; Have two sizes: S Size: 5.5~6.9 inches/140~176mm; L Size: 6.3~8.2 inches/161~209mm; 100% satisfaction guarantee; If you don’t like the purchase you can return the bands to us. For any question, please feel free to contact DDup.
