Swellder Fitbit Flex Wristband Wrist Band Bracelet with Clasp Replacement Accessory for Fitbit Flex Activity and Sleep Tracker (Black, Large) 100% Brand new and high quality Free size fit your wrist depend on button site you place. Comfortable for sporting time,Look good no matter what you are wearing. Personalize your wristband to match your daily style with this brand new color choices. Free size wristband accessory ,High quality and Replacement for lost or damaged Bands. NOTE:No Tracker or other parts! For Fitbit Flex Band only! Not for Fitbit one or other Models! Replacement Rubber Bands Only.