Keep your activity tracker secure while you work out with these Modal MD-MFWBCM04 wristband clasps, which are compatible with Fitbit Flex models. The set includes clasps in 4 fun colors, so you can personalize the look of your device.

Modal - Wristband Clasps for Fitbit Flex Activity Trackers (4-Count) - Blue/Black/Red/Light Blue

$4.99

Keep your activity tracker secure while you work out with these Modal MD-MFWBCM04 wristband clasps, which are compatible with Fitbit Flex models. The set includes clasps in 4 fun colors, so you can personalize the look of your device.