[10 Pack] HamFire Mixed-Color Silicon Fastener Clasp Ring for Fitbit Alta, Flex, Vivosmart - Keep Your Fitbit Alta Vivosmart Secure KEEP YOUR FITBIT ALTA & VIVOSMART SECURE - Too many Fitbit Alta and Vivosmart owners have lost their Fitbits because their wristband fell off. Do not be one of them. This simple silicone fastener will keep your Fitbit Alta safe. SIMPLE AND FUNCTIONAL - designed specially to protect the clasp loose and band fall off. LIGHT WEIGHT AND FASHION DECORATE - Colorful and super light weight, secure your wristband in style and give your Fitbit Alta and Vivosmart a new look. COMFORTABLE TO WEAR - Featured and durable silicon made. Perfect fit for your Fitbit Alta activity tracker and comfortable wearing experience. EASY TO INSTALL - Just slide the fastener over the clasp when you put on your Fitbit Alta or Vivosmart, simple as that.