Yijiagou Orange+Green Replacement Bands for Fitbit Flex Wristband Band with Metal Clasps Wireless Activity Bracelet No Tracker Rubber band with metal clasp for Fitbit Flex ONLY! Not for other models! Tracker/Core NOT Included. Replacement Accessory Armband Only Great For Working Out At The Gym Or Being Active Outdoors Adjustable Size To Fit Medium To Large Adult Wrists From 6.5" to 8"