For Fitbit Alta Accessory - Fitbit Alta Fastener Ring/Fitbit Alta band, Mixed-Color Silicon Fastener Clasp Ring/Wristband Bracelet band for Fitbit Alta (No Tracker) Specially designed fastener for Fitbit Alta, ONLY silicon fasteners, NO Tracker, NO Wristband Keep Your Fitbit Alta Safe: Many Fitbit Alta owners have lost their Fitbits because their wristband fell off. This simple silicone fastener will protect the clasp loose and band fall off to keep your Fitbit Alta safe Comforable TO Wear: Featured and durable silicon made. Perfect fit for your Fitbit Alta activity tracker and comfortable wearing experience Fashion Decorate: Colorful and super light weight, secure your wristband in style and give your Fitbit Alta a new look Easy To Use: Just slide the fastener over the clasp when you put on your wristband as the picture showed