3pcs Size S Random Assorted Pack / Sports Edition Pack / Summer Edition Pack / Summer Edition Pack / Olympic Rings Pack Accessory Replacement Bands with Metal Clasps for Fitbit Flex / Wireless Activity Bracelet Sport Wristband / Fitbit Flex Bracelet Sport Arm Band (No tracker, Replacement Bands Only) Outdoors Fitness Technology Made from Durable, Waterproof Materials, These are great Replacements for the Original Wristbands, great as a Spare, or even a gift Simply Remove your Sensor, Detach your Clip, Put it in Your new Band, and Away you go, good as new Size: 140-176mm (5.5-6.9")