HBetterTechTMNew Style Replacement Accessory Wristband For Fitbit Flex Perfect fit for your Fitbit Flex activity tracker and comfortable wearing experience Personalize your wristband to match your daily style with this brand new color choices Look good no matter what you are wearing Size:Large. (This is large size, if you need small size, please visit ASIN:B00IGPG4N8,	B00IGPG4OC) Please note: this is not Fitbit,, but it have good quality and have one year warranty.