With Fit & FabTM you can transform your fitness tracker into a chic bracelet. The designer jewelry piece slides on easily and enhances the appearance of your tracker without interfering with its functionality. Now you can track your progress while looking fabulous. Fitbit® and FlexTM are trademarks of Fitbit, Inc. Jawbone® and Up® are trademarks of Jawbone. Fit & Fab brand is designed for use with Fitbit Flex and Jawbone Up devices. This product is not put out by Fitbit® or Jawbone® and Fitbit® and Jawbone® do not service or warrant the functionality of the product. Please contact Bonitas International about this product.