Cute Silicone Replacement Wristband Bracelet/ Wireless Activity and Sleep Tracker Accessory Band with Safety Watch Buckle for Fitbit Flex, Black/ Navy/ Blue/ Purple/ Red/ Aqua Super Soft and durable,comfortable fit day and night Looks cute and change your fitbit to a new style Free size and plenty of spots for adjustment to fit your wrist Safety buckle will secure your fitbit from falling or loosing Fitbit tracker or other parts are not included in the product