Wristband Straps Bracelet for Fitbit Flex Replacement Band Accessory (pattern6) Personalize your wristband to match your daily style with this brand new color choices. Concise and vogue style add color to your image. For fitbit flex Only. Free size fit you wrist depend on button site you place,convenient for your exercise time Silicone fastener ring for free which tie up the band and protect your band from loosing NOTE:No Tracker or other parts! Fitbit Flex Band Only! Not for fitbit one other models!