Yonger 10 PCS Silicone Fastener Ring for Fitbit Charge Wristband (not for Fitbit Flex or Other Models) KEEP YOUR FITBIT FLEX SECURE: Too many Fitbit owners have lost their Fitbits because their wristband fell off. Do not be one of them. This simple insurance will keep your Fitbit safe. Tracker or Wristband NOT included SIMPLE AND FUNCTIONAL: Slide the ring over the clasp when you put on your wristband, simple as that ONLY FITS FITBIT CHARGE: The size of the silicone rings have been specially designed to fit the Fitbit Charge. It does NOT fit other activity trackers or wristbands New Version with Clean and Brandnew Material: More beautiful and clean, and are not easy to deformation. Package including: 10 PCS Silicone Fasteners for Fitbit Charge Wristband