! 1pc Small S Slate (Blue/Grey) Replacement Band + Free Small Grey Band With Clasp for Fitbit FLEX Only /No tracker/ Wireless Activity Bracelet Sport Wristband Fit Bit Flex Bracelet Sport Arm Band Armband 1pc Small S Slate (Blue/Grey) Replacement Band + Free Small Grey Band With Clasp for Fitbit FLEX Only /No tracker/ Wireless Activity Bracelet Sport Wristband Fit Bit Flex Bracelet Sport Arm Band Armband - By: JP-American BT Accessories.