Bandcuffs Brand Security Loop for Fitbit Flex, Choose Color/Qty Protect your Fitbit Flex from loss! A Bandcuffs Security Loop will keep your band on your wrist even if it becomes unclasped. Won't fade or crack. 100% Satisfaction Guaranteed! 100% hypoallergenic silicone will not cause any skin irritation. Non-porous so it won't harbor bacteria. Package Contains: 2 Bandcuffs brand security loops for your Fitbit Flex (Hot Pink)