Large Replacement Wrist Band with Clasp for Fitbit Flex /No Tracker/ Sport Wristband Fit Bit Flex Bracelet Sport Armband (Giraffe) Easily insert you flex tracker and change the whole look of the Fitbit Flex. Look good no matter what you are wearing. Choose the color that matches your daily style No tracker or other parts. Replacement Rubber Band with Clasp Only. FOR FITBIT FLEX BAND ONLY. Not for For Fitbit One or other models. Size : Large (6.3" - 8.2"), Size: Small (5.5" - 6.9"), Fitbit Tracker Not Included.